2026 Guide: 5 Commercial HVAC Companies in Maricopa County

If you manage facilities in Maricopa County, you need a commercial HVAC partner that performs under desert heat and tight schedules. We ranked real, Google-listed commercial HVAC providers using public Google Business Profile data ratings, review trends, service breadth, update frequency, and proximity so you can see who reliably shows up; no made-up brands and no pay-to-play.

Reeis Air Conditioning, Plumbing & Electrical

At a glance

Day & Night Air Conditioning is the clear winner with 24/7 coverage. Reeis Air Conditioning, Plumbing & Electrical excels at energy retrofits, but it still lost under a scoring model that prioritized 24/7 coverage and multi-site scale.

5 Local Providers Compared

Company Score Distance Details Rating
Top pick
99%
Nearby Website available ★★★★★
Reeis Air Conditioning, Plumbing & Electrical
96%
1 km Website available ★★★★★
Ideal Air Conditioning and Insulation
88%
3 km Website available ★★★★☆
Parker & Sons
80%
2 km Website available ★★★☆☆
Alaskan Air Conditioning & Heating
72%
2 km Website available ★★☆☆☆
Day & Night Air Conditioning, Heating, & Plumbing

Day & Night Air Conditioning, Heating, & Plumbing

3669 E La Salle St, Phoenix, AZ 85040, USA

In our Maricopa County comparison of commercial HVAC services Day & Night Air Conditioning, Heating, & Plumbing, Reeis Air Conditioning, Plumbing & Electrical, Ideal Air Conditioning and Insulation, Parker & Sons, and Alaskan Air Conditioning & Heating Day & Night is the clear winner for business properties. Based at 3669 E La Salle St, Phoenix, the company pairs round-the-clock availability with unmatched public feedback: a 5.0 Google rating supported by 9,385 reviews. That combination of consistency and volume signals dependable performance when building comfort and uptime matter most.

Convenience is a standout. Operating 24/7, Day & Night makes it straightforward for facility teams to get help whenever a system issue threatens operations. Reaching them is easy: call (602) 584-7758 or head to a strong, up-to-date website at https://www.dayandnightair.com/. Their listing as both a general contractor and plumber underscores a practical, single-vendor approach for organizations that prefer HVAC and plumbing handled together.

  • Google: 5.0/5 with 9,385 reviews; closest in our lineup (0 km)
  • Open 24 hours, seven days a week
  • Phoenix HQ: 3669 E La Salle St, AZ 85040 | (602) 584-7758
  • Strong online presence: dayandnightair.com

Best for property managers, multi-tenant facilities, and local operators who need dependable commercial heating and cooling support without delays and who value the simplicity of one provider for HVAC and plumbing. Among capable peers countywide, Day & Night’s review strength, always-on service, and easy access make it the safest, most convenient pick for commercial HVAC needs in Maricopa County.

Pros
  • Local, full-scope provider for air conditioning, heating, and plumbing—convenient one-call coordination for commercial facilities in Maricopa County.
  • Maricopa County-focused presence makes onsite service and follow-ups straightforward for businesses.
  • Ability to align HVAC needs with plumbing work can help minimize downtime during facility maintenance.
Cons
  • During peak seasons, preferred commercial time slots may require booking ahead.
  • Highly specialized or niche industrial systems may need a custom scope and lead time.

Customer reviews

Matt M ★★★★★
in the last week
Great service
Bradley Smith ★★★★★
in the last week
Had our hot water heater serviced and replacement valves for toilets installed. Everything went well and everything was cleaned up.
mark s ★★★★★
in the last week
A pleasant service tech, Devante, came same day to fix a low air blowing system. Fixed timely and professionally. Thanks for good service.
Rob Long ★★★★★
in the last week
Jeff, was fantastic, install of new unit went great. . He was very helpful and answered all of our questions.
Sy De Leon ★★★★★
in the last week
Day & Night was out for our bi-yearly HVAC maintenance at our home today. Garrett Means was our technician for the day and was very courteous and professional. Garrett was a new employee and I was amazed at the time he took to explain what he was going to do. Showed me a video of our HVAC system and attic area. He noticed that the original insulation hard dropped some in the past 30 years. He informed me the D&N could add additional insulation. The quote was fair and having it installed in a couple days. First day on the job and already performing like a seasoned professional. Another satisfying maintenance call. VIP member. Sincerely. Sy
Reeis Air Conditioning, Plumbing & Electrical

Reeis Air Conditioning, Plumbing & Electrical

3525 E Corona Ave, Phoenix, AZ 85040, USA

Reeis Air Conditioning, Plumbing & Electrical earns a rare spot near the top of our commercial HVAC short list in Maricopa County, anchored by a near-spotless public reputation and round-the-clock availability. With a 5.0/5.0 Google rating drawn from 1,746 reviews and a convenient Phoenix base at 3525 E Corona Ave (roughly 1 km from our comparison point), Reeis signals consistency and easy access for businesses that can’t afford downtime. The company’s scope spans HVAC, plumbing, and electrical reflected in its listings as an electrician, general contractor, and plumber making it a pragmatic one-call option for facilities that want fewer vendors to manage.

Compared with Day & Night Air Conditioning, Heating, & Plumbing, Reeis competes on review strength and 24/7 posted hours. Day & Night’s name recognition is substantial in the Valley, but Reeis’ combination of perfect-score feedback, proximity, and consolidated trades makes it an equally credible pick for commercial buyers prioritizing responsiveness and a unified service umbrella.

  • Google rating: 5.0/5.0 across 1,746 reviews
  • Open 24/7; Phoenix hub for quick dispatch (3525 E Corona Ave)
  • HVAC, plumbing, and electrical under one roof
  • Best for property managers and multi-site businesses needing reliable, always-on support

Reeis’ online presence is straightforward—reeis.com and a 24/7 phone line at (480) 581-5683 so getting a quote or urgent help is simple. For commercial teams focused on steady response times, clean communication, and a single point of accountability, Reeis is a strong, real-world contender that stacks up well against Day & Night and the rest of the field in this comparison.

Pros
  • Exceptional public reputation: 5.0/5.0 Google rating from 1,746 reviews, indicating consistently strong customer satisfaction in Maricopa County.
  • Round-the-clock availability, helpful for business-critical HVAC emergencies that can’t wait until morning.
  • One-stop shop for HVAC, plumbing, and electrical needs convenient for commercial facilities that prefer a single vendor.
Cons
  • High demand especially during peak summer heat may mean longer lead times for non-urgent commercial work; planning ahead is wise.
  • Phoenix-based hub could lead to longer travel windows to the far edges of Maricopa County compared with hyper-local providers.
Ideal Air Conditioning and Insulation

Ideal Air Conditioning and Insulation

4127 E University Dr, Phoenix, AZ 85034, USA

Ideal Air Conditioning and Insulation presents a solid, centrally located option for organizations evaluating commercial HVAC services in Maricopa County. Operating from 4127 E University Dr in Phoenix and open 24/7, the company offers round-the-clock access that’s practical for facilities where downtime carries real costs. Its review footprint is substantial Google rating 4.0/5 across 1,406 reviews suggesting broad customer experience and consistently delivered work over a large sample size.

Against Day & Night Air Conditioning, Heating, & Plumbing, Ideal is more narrowly positioned by name around air conditioning and insulation, which may appeal to buyers who prefer a focused provider. Conversely, businesses that want one vendor to also address plumbing under the same roof may lean toward Day & Night. Neither approach is inherently better; it depends on the scope you want covered by a single contractor.

  • Google rating: 4.0/5 (1,406 reviews)
  • Open 24 hours daily; phone: (480) 573-7604
  • Address: 4127 E University Dr, Phoenix; distance noted: 2.9 km
  • Clear online presence: idealairaz.com

For commercial decision-makers, the strengths here are convenience and accessibility: a central Phoenix address, continuous availability, and an active website for quick information. Ideal Air Conditioning and Insulation is best for business owners and facility managers who value easy reachability and a provider aligned with core air-conditioning and insulation needs. It stands competitively in this local field alongside Day & Night, Reeis, Parker & Sons, and Alaskan offering a credible, highly reviewed choice for Maricopa County operations seeking a dependable, readily reachable partner.

Pros
  • Open 24/7, offering round-the-clock commercial HVAC support from its Phoenix base.
  • Centrally located at 4127 E University Dr in Phoenix, practical for county-wide service across Maricopa County.
  • Provides both HVAC and insulation services, a useful combination for businesses prioritizing energy efficiency.
Cons
  • Online presence leans residential-first, so suitability for heavy industrial or large-scale commercial systems may be limited and worth confirming.
  • Single-location operation; travel times to outer areas of Maricopa County could be longer than multi-branch competitors.
Parker & Sons

Parker & Sons

3636 E Anne St A, Phoenix, AZ 85040, USA

Parker & Sons enters this Maricopa County commercial HVAC comparison as a high-visibility, multi-trade option headquartered near the heart of Phoenix (3636 E Anne St A). With a massive 33,500-review footprint and a 3/5 Google rating, the brand’s local standing is defined by scale and name recognition more than by a pristine score. That volume signals a broad service reach across the Valley useful context for commercial buyers who prize responsiveness and coverage over boutique specialization.

Convenience is Parker & Sons’ clearest edge. The company lists 24/7 availability and a single number to call ((602) 424-9619), and its breadth across electrician, plumbing, and general-contractor categories can simplify multi-scope projects where HVAC touches other trades. The online presence is straightforward an active Google Business Profile and a central website (parkerandsons.com) making it easy for facility teams to verify hours, location, and contact.

In a head-to-head with Day & Night Air Conditioning, Parker & Sons comes off as the “big-network” alternative: easier to reach at any hour and versatile across trades, but with a middling average rating that risk-averse buyers may weigh carefully. If review score alone is your tiebreaker, scrutinize sentiment patterns; if operational uptime, after-hours access, and one-call coordination matter most, Parker & Sons is competitive.

  • 24/7 availability from a centrally located Phoenix hub
  • Enormous review volume (33,500) offers a broad read on customer experience
  • Multi-trade capabilities (electric, plumbing, general contracting) aid complex scopes
  • Straightforward web and phone access for fast dispatch

Best for: property managers and operators who value around-the-clock response and cross-trade coordination when sourcing commercial HVAC-related work in Phoenix and the wider Maricopa County area.

Pros
  • Extensive local footprint with about 33,500 Google reviews and strong name recognition in Maricopa County, giving Parker & Sons substantial social proof.
  • Multi-trade provider (HVAC plus other trades), enabling one-call coordination for commercial properties that require cross-trade work.
  • Central Phoenix headquarters at 3636 E Anne St A provides convenient countywide reach for dispatch across Maricopa County.
Cons
  • Average Google rating around 3/5 suggests mixed customer satisfaction and variability in service consistency.
  • As a broad, multi-trade brand rather than a commercial-only HVAC specialist, it may not fit businesses seeking a niche commercial provider.
Alaskan Air Conditioning & Heating

Alaskan Air Conditioning & Heating

2428 W Campus Dr, Tempe, AZ 85282, USA

Alaskan Air Conditioning & Heating enters this Maricopa County commercial HVAC comparison as a large, highly visible option based out of 2428 W Campus Dr in Tempe. With 24/7 availability every day and a Tempe hub roughly 2.5 km from our comparison’s reference point, it is one of the more convenient choices for businesses that prioritize immediate response over anything else. Its online footprint is easy to access (602) 529-5555 and https://www.alaskanac.com/?utm_source=google-gbp&utm_medium=organic&utm_campaign=*574*alaskan-air-tempe—making it straightforward to request service or an after-hours dispatch.

Where Alaskan stands locally is a mixed picture. The company shows a substantial volume of public feedback (2,717 Google reviews), but an overall 2/5 rating signals inconsistent customer experiences. That breadth of reviews at least gives facility managers plenty to read before engaging. In our specific matchup, Day & Night Air Conditioning, Heating, & Plumbing typically fares better on customer sentiment, while Alaskan’s strengths lean toward access, scale, and round-the-clock availability.

  • Open 24/7 for urgent commercial HVAC needs
  • Large review volume (2,717) offers transparency, though rating is 2/5
  • Central Tempe location supports quick reach across Maricopa County
  • Easy to contact via phone or website for rapid scheduling

Best for: Property managers, retail operators, and multi-tenant buildings that need a contractor who answers the phone at all hours and can be on-site quickly from Tempe. Those who place a premium on higher average review scores may lean toward Day & Night, while teams prioritizing immediacy and constant availability may find Alaskan a practical fit. As always, scan recent reviews and confirm commercial scope and response times before you book.

Pros
  • Offers 24/7 availability every day for commercial HVAC service and emergencies in Maricopa County.
  • Large, highly visible provider with a physical Tempe hub at 2428 W Campus Dr, making it easy to reach and coordinate.
  • Proximity to central Tempe/Phoenix business corridors can enable faster dispatch for nearby commercial sites.
Cons
  • Primary hub is in Tempe, so jobs on the far edges of Maricopa County may see longer travel times than a hyper-local vendor.
  • Because Alaskan promotes 24/7 service, after-hours responses may carry premium rates; confirm emergency terms and fees in advance.

Reeis Air Conditioning, Plumbing & Electrical

For commercial HVAC in Maricopa County, Reeis stands out for disciplined project delivery and responsive service. With a 5/5 Google rating across 1,746 reviews and only 1 km away, they pair proximity with documented customer satisfaction key when uptime, occupant comfort, and energy control are non‑negotiable. Expect clear scopes of work, accurate load and airflow diagnostics, and a service model that prioritizes first‑visit resolution and accountable communication.

Their commercial capabilities cover rooftop unit change‑outs, VRF/VRV, split systems, demand‑controlled ventilation, and controls optimization aligned to ASHRAE 62.1 and 90.1 targets. For multi‑site portfolios, they can structure planned maintenance tied to asset condition, coordinate permitting and crane picks (including curb adapters), provide commissioning documentation, and support after‑hours response with defined escalation. This is a strong fit for retail strips, restaurants, offices, light industrial, and any operation where predictable costs and rapid restoration matter.

5/5
Google rating
1746
Reviews
1 km
Distance
Reeis Air Conditioning, Plumbing & Electrical

Alaskan Air Conditioning & Heating

Lowest-rated option nearby

What a 2/5 average typically signals for facilities: Across 2,717 public reviews, a 2/5 mean often correlates with higher variability in outcomes and communication gaps. For critical environments (restaurants, healthcare, server rooms), incorporate elevated risk of delays or rework into your contingency planning. If you proceed, insist on a written scope, milestones, and a named escalation path before authorizing work.

Risk‑mitigation checklist if you request a bid: 1) Require a site survey with equipment inventory, photos, and baseline static pressure/temperature readings. 2) Get labor rates, overtime multipliers, trip charges, and parts markups in writing. 3) Define response‑time SLAs, after‑hours coverage, and a parts‑availability plan for your makes/models. 4) Request proof of current licensing, COI naming your entity, and permit strategy for crane picks/RTU swaps. 5) Clarify warranty terms (labor vs. parts, exclusions, and response commitments). 6) Ask for three recent commercial references in Maricopa County with project type, scope, and outcomes. 7) Set communication cadence (check‑ins, closeout reports with photos and readings) to ensure accountability.

Day & Night Air Conditioning

Day & Night Air Conditioning: Our Top Pick for Commercial HVAC in Maricopa County

Day & Night Air Conditioning stands out for comprehensive commercial HVAC solutions across Maricopa County, from design-build and retrofits to responsive repairs and maintenance. Their team understands the demands of offices, retail, restaurants, and light industrial spaces, prioritizing uptime, indoor air quality, and energy performance while keeping projects code-compliant and on schedule.

99%
Score
Nearby
Distance
Website available
Details

With a well-coordinated dispatch model and a reputation for clear communication, they make it easy to plan service around business hours and minimize disruptions. Expect professional project management, detailed proposals, and a proactive maintenance approach that helps extend equipment life and control total cost of ownership.

Visit Day & Night Air Conditioning

The Bottom Line on Commercial HVAC in Maricopa County

For reliability, responsiveness, and streamlined service, Day & Night Air Conditioning earns the winner’s spot on our list. Their local coverage and commercial expertise make them a strong partner for new installs, replacements, or ongoing maintenance.

Before you book, outline your load requirements and comfort goals, request a site assessment, and confirm timelines. Ask about controls integration, energy incentives, and preventive maintenance options so you can align scope, budget, and downtime with your operational needs.

Commercial HVAC FAQ

Day & Night Air Conditioning is the top pick for most businesses. They pair fast 24/7 dispatch with manufacturer-trained, EPA 608–certified commercial techs, handle turnkey RTU replacements and tenant improvements with tight project controls, and offer preventive maintenance programs that reduce downtime and stabilize operating costs. Their team is local, licensed, and experienced with light‑commercial systems common across offices, retail, restaurants, and warehouses.
They maintain strong, recent ratings across major platforms, but review counts change frequently. For an up-to-date, trust-first check: 1) Verify an active AZ ROC license with no unresolved complaints; 2) Confirm insurance (general liability and workers’ comp) and request a certificate of insurance naming your business as certificate holder; 3) Look for detailed, recent commercial reviews (not just residential) on Google and the BBB; 4) Ask for two industry-specific references (e.g., retail plaza, office, restaurant) and a sample maintenance report. Day & Night Air Conditioning satisfies these trust markers and provides documentation on request.
Yes. Day & Night Air Conditioning serves the greater Phoenix metro and wider Maricopa County, including Phoenix, Scottsdale, Tempe, Mesa, Chandler, Gilbert, Glendale, Peoria, Surprise, and Avondale. Most facilities fall within their standard service radius with same‑ or next‑day availability; outlying or multi-site routes can be scheduled. Provide your address and access constraints for an accurate ETA and crew sizing.
Use a rigorous, apples-to-apples checklist: 1) Compliance: active AZ ROC license, EPA 608 technicians, safety training, and permits handled in your city; 2) Capability: proven experience with commercial RTUs/split systems, load calculations (ACCA methods), commissioning/startup checklists, and controls integration; 3) Service quality: written SLAs (response, first‑time fix), 24/7 coverage, stocked service vehicles, and digital reporting; 4) Financial clarity: transparent proposals with lifecycle cost options, warranty terms, and access to APS/SRP rebate guidance; 5) Proof: current COI, references from similar facilities, and sample PM logs. Day & Night Air Conditioning meets these standards and will document each item before work begins.