HVAC directory

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HVAC contractors who install, repair, and maintain heating, cooling, and ventilation systems for homes and businesses. Emergency service and annual tune-ups available. 722 HVAC businesses found.

I&C Mechanical, Inc.

4.7

(44)

HVACBoston, MA

Air conditioning repairAir conditioning installation and replacementHVAC system maintenanceDuctless heating and A/C servicesFurnace repair and installationBoiler servicesThermostat repairEmergency plumbing servicesDrain cleaningWater heater installation and repairPipe installation and repairLeak detection

I&C Mechanical, Inc. is a plumbing, heating, and air conditioning contractor located at 32 Arden St in the Allston neighborhood of Boston. The company was established in 2003 and handles residential, commercial, and industrial work, including air conditioning repair, installation, replacement, and maintenance, heating and boiler service, gas piping, drain cleaning, and water heater work. Its plumbers are fully licensed and insured, and the company is open 24/7, every day, for emergency plumbing and air conditioning calls. Customers deal directly with the owner rather than an employee, and free quotes are available.

Olson Plumbing & Heating Co

4.3

(404)

PlumbersColorado Springs, CO

Emergency plumbingPlumbing repairsWater heater repair and installationDrain cleaningSewer line repair and perma-liner trenchless liningWater service line repair and upgradesGas line servicesKitchen and bathroom plumbing remodelsHeating system repair and installationAir conditioning repair and installation

Olson Plumbing & Heating Co. opened in 1917 as a one man shop and has served Colorado Springs and the Pikes Peak Region ever since. Still family-owned, the company handles residential and commercial plumbing, emergency plumbing, water heaters, drain cleaning, sewer line repair, gas, water and fire hydrant utility work, and heating and air conditioning service for homes and businesses. Olson is a Perma-Liner installer for trenchless sewer line repair and was one of the first contractors in the area to establish High Purity and Medical Gas Divisions, serving the semi-conductor, biotechnology, pharmaceutical, medical and dairy industries. Commercial capabilities include pre-construction, design build, value engineering, estimating, new construction, BIM, fabrication and underground utility construction. Technicians are licensed, bonded and insured, and the company is on-call for emergency dispatch 24 hours a day, 7 days a week, 365 days a year including holidays. Olson was named a Best of the Springs winner by The Gazette in 2024 and a Best of Colorado 2020 Business Choice winner.

A to Z Heating & Cooling

4.9

(23)

HVACGreeley, CO

Heating repairHeating installationAC repairAC installationHeat pump repair and installationDuctless heating and coolingIndoor air quality solutionsAnnual HVAC maintenance plans

A to Z Heating & Cooling is a residential HVAC contractor based in Greeley, Colorado that has served area residents since 2011. The team handles furnace repair and installation, air conditioning repair and installation, heat pump work, ductless heating and cooling systems, indoor air quality solutions, and annual maintenance plans. Technicians are licensed, bonded, and insured as well as NATE-certified, and the company is a Daikin Comfort Pro and Ductless Design Pro that also services multiple makes and models of HVAC equipment. Furnace repairs include an inspection of the unit to confirm it is safe to operate, and NATE-certified technicians use industry standards to calculate load on new installations so systems are properly sized for both temperature and humidity control. A to Z Heating & Cooling offers 24/7 emergency service, quotes a price that does not change once the job is complete, and backs its installations with a 100% customer satisfaction guarantee.

Stay Cool Heating & Air

4.6

(57)

HVACLos Angeles, CA

AC installation and replacementAC repairDuctless mini-split installation and repairRefrigerant leak detection and repairAC preventative maintenanceFurnace installation, replacement and repairFurnace tune-upsHeat pump installation, repair and replacementDuct installation, repair, maintenance and replacementIndoor air quality servicesTankless water heatersInsulation

Stay Cool Heating & Air provides heating and cooling services for homes and businesses throughout Los Angeles and the greater Southern California region. For more than five years the company has handled air conditioning installation, replacement, and repair, ductless mini-splits, refrigerant leak detection, and preventative maintenance, along with furnace installation, replacement, repair, and tune-ups, heat pump work, and commercial heating and cooling. Additional services cover duct installation, repair, maintenance, and replacement, indoor air quality systems, tankless water heaters, and insulation. The team invests continuously in training and education to keep technicians current with evolving HVAC technology, works across all major brands and system types, and focuses on energy-efficient solutions that lower operating costs. Stay Cool offers free quotes, and states that it only recommends necessary services and provides honest, upfront pricing.

Chicago Furnace & AC Repair

5.0

(18)

HVACChicago, IL

Furnace serviceAir conditioning serviceCooling serviceBoiler serviceHVAC replacementHeat pumps

Chicago Furnace & AC Repair is a heating and cooling company based on West Adams Street in Chicago. Backed by over a decade of experience, the team handles furnace service, boiler service, air conditioning and cooling service, heat pumps, and full HVAC replacement. Skilled technicians take on repairs, maintenance, and new installations for both homes and businesses, with attention to detail and work delivered on time and within budget. Free estimates are offered, pricing is competitive, and emergency service is available 24/7. The company holds a 5.0 star rating from 18 Google reviews.

Northglenn Heating & AC, Inc

4.5

(86)

HVACThornton, CO

Furnace repairFurnace maintenanceFurnace installationAir conditioning repairAir conditioner maintenanceAir conditioner installationMini-split installationIndoor air qualityService agreements

Northglenn Heating & AC, Inc is a heating and cooling company that was founded in Northglenn, Colorado in 1960 and has provided HVAC service in the area ever since. The company is employee owned and operated, with a full team of NATE-Certified professionals handling furnace repair, furnace maintenance and furnace installation, air conditioning repair, air conditioner maintenance and air conditioner installation, mini-split installation, indoor air quality work and service agreements. As a Lennox Premier Dealer the company carries Lennox air conditioners, furnaces, heat pumps, air handlers, garage heaters, mini-split systems, packaged systems, thermostats and indoor air quality products, and it was named a recipient of the Lennox Industries Years of Partnership Award after 30 years with the brand. The team services all makes and models of heating and cooling equipment, offers service seven days a week along with 24/7 emergency support, and provides HVAC financing with flexible options and low monthly payments so a high-efficiency system fits the budget.

Hahn Plumbing - Heating - A/C

4.4

(156)

PlumbersFort Collins, CO

Residential plumbingCommercial plumbingSewer & drainSewer scopeDrain cleaningSewer line repairWater heatersPipe leaksBackflow repairFurnace serviceBoiler serviceAC repair

Hahn Plumbing - Heating - A/C is a family-owned plumbing, heating, and cooling contractor whose main office sits in Old Town Fort Collins at 130 Chestnut St. The family trade began in 1908 in Salina, Kansas, and John Hahn, Sr. established Hahn Plumbing in Fort Collins in 1967, giving the company more than 50 years in business locally. John Jr. now represents the fourth generation. The team covers residential and commercial plumbing, sewer and drain work, sewer scope inspections, drain cleaning, sewer line repair, water heaters, pipe leaks, and backflow repair, plus furnace service, boiler service, AC repair, and HVAC seasonal maintenance. Jobs range from simple plumbing repairs to complete sewer line replacements, design, and installations, including water and sewer inspections and excavations, and the company handles repairs, new construction, and remodels alike. Hahn is licensed, bonded, and insured, works on honest upfront pricing, takes after-hours emergency calls, and notes Se Habla Espanol.

One Hour Heating & Air Conditioning® of Central Seattle

5.0

(31)

HVACSeattle, WA

Emergency HVAC servicesAir conditioningAC repairAC installation & replacementAC maintenanceDuctless split systemHeatingHeater repairHeater installationHeater maintenanceFurnacesHeat pumps

We are One Hour Heating & Air Conditioning of Central Seattle, a locally owned HVAC company keeping homes comfortable across the Central Seattle area. From our location on Hiawatha Pl S, we handle the full range of heating and cooling needs, so whether your furnace quits in the middle of winter or your air conditioner struggles through a summer heat wave, we are ready to help. Our services cover air conditioning repair, installation, replacement, and maintenance, along with ductless split systems, furnaces, heat pumps, and heater repair and installation. We also take care of ductwork, including duct cleaning, repair, sealing, and new installation, plus thermostat repair and indoor air quality solutions like air handlers, humidifiers, and dehumidifiers. When something goes wrong unexpectedly, our emergency HVAC service is available 24/7 to restore your comfort. We serve homeowners throughout Central Seattle neighborhoods, including Capitol Hill, First Hill, Madrona, Madison Park, Montlake, Eastlake, Leschi, Mt. Baker, the Central District, and the International District. We stand behind our work with a 100% satisfaction guarantee and cover our materials, labor, and craftsmanship for up to two years from the date of service. Our StraightForwardPricing guide means you see costs clearly with no hidden fees, and our Always On Time promise means if we do not arrive within your scheduled window, you do not pay the service call fee. If you need honest, dependable HVAC help in Central Seattle, we would be glad to earn your trust.

SAC Mechanical Heating & Air Conditioning

4.6

(51)

HVACLongmont, CO

AC repairAC installation and replacementFurnace repairFurnace installation and replacementAC and heating maintenance plansEmergency AC and heater serviceThermostat installationDuctless HVAC installation and replacementIndoor air quality and whole-home air purificationDuct installation, repair and sealing

SAC Mechanical Heating & Air Conditioning is a family-owned and operated HVAC company based in Longmont, Colorado, serving residential and commercial clients since 1982. The team handles air conditioning repair, replacement and installation, furnace repair, replacement and installation, thermostat installation, ductless HVAC installation and replacement, indoor air quality work including humidifiers, dehumidifiers, whole-home air purification and filtration, and duct installation, repair and sealing. SAC Mechanical also covers water heater repair, replacement and tankless systems along with home electrification upgrades. NATE-certified technicians service all brands, and the company works with product lines including Navien, RGF, Lennox, AprilAire and Carrier. Customers can sign up for AC and heating maintenance plans, call 24/7 emergency AC service or emergency heater service, and take advantage of same-day service availability for urgent needs, transparent upfront pricing, flexible financing subject to credit approval, and a 100% satisfaction guarantee.

Buckhorn Heating & Air Conditioning

4.6

(46)

HVACLoveland, CO

Furnace repair & installationAir conditioning repair, installation & seasonal maintenanceResidential HVAC installation & replacementEmergency heating & cooling repairHeat pump installation, repair & maintenanceHVAC preventative maintenance plans & seasonal tune-upsIndoor air quality solutions, air purifiers & whole-home humidifiersCommercial HVAC repair, installation & maintenance

Buckhorn Heating & Air Conditioning is an owner-operated HVAC contractor at 1016 S Lincoln Ave in Loveland, serving homes and businesses across Loveland and Northern Colorado. The company is led by Craig, who the site says brings over 15 years of hands-on industry experience and personally oversees projects. Heating work covers furnace repair and installation, with energy-efficient replacements sized to hold consistent indoor warmth through Colorado winters. Cooling work covers air conditioning repair, installation and seasonal AC maintenance, including inspections, refrigerant checks and airflow adjustments. The company also handles complete residential HVAC installation and replacement, heat pump installation, repair and maintenance, and preventative maintenance plans built around seasonal inspections, component cleaning and performance testing. Indoor air quality solutions include air purifiers and whole-home humidifiers, which matter in Colorado's dry climate. Local businesses can book commercial HVAC repair, installation and ongoing maintenance. Emergency heating and cooling repair is listed as available 24/7, and the hours block notes emergency on call services. The site footer lists free estimates, licensed and insured, and military discounts available. Office hours run Monday through Friday, 8:00 AM to 6:00 PM. Google reviewers rate the business 4.6 out of 5 across 46 reviews.

Armstrong Air & Electric - Hollywood

5.0

(16)

HVACHollywood, FL

AC repairAC installationHeating repairHeating installationHeat pumpsDuctless mini-splitsHVAC maintenanceIndoor air qualityThermostats and controlsElectrical services

Armstrong Air & Electric is a Florida HVAC and electrical contractor whose South Florida office sits at 3003 Greene Street in Hollywood, alongside company locations in Winter Garden, Tampa, and Ponte Vedra. The business started in 1994 with a single van and a handful of tools, and it describes itself today as having over 30 years of experience serving both residential and commercial properties. In 2021 the company moved to an Employee Stock Ownership Plan and is now 100% employee owned, and in 2022 it launched comprehensive residential and commercial electrical services to become a complete home service provider. Air conditioning work covers repair, installation of high-efficiency systems, heat pumps, and ductless mini-splits, while heating work covers system repair and the installation of modern energy-efficient equipment. The team also provides HVAC maintenance tune-ups that keep systems running efficiently and prevent breakdowns, indoor air quality solutions that remove allergens, dust, and pathogens, and smart thermostat and control upgrades. On the electrical side, certified technicians handle repairs, panel upgrades, and new installations, with dedicated options for commercial and multi-family properties. Emergency coverage is central to how the company operates: a fleet of fully stocked service vehicles is stationed to respond swiftly, and Armstrong offers true 24-hour emergency service with certified technicians available 24/7. Customers can request free estimates, book weekend appointments, and get same-day services subject to scheduling and availability, backed by a satisfaction guarantee, extended labor warranties, and an A+ BBB rating. Financing is available at 0% interest for up to 18 months for qualified applicants, and se habla espanol.

TemPros Air Conditioning & Heating, Inc.

5.0

(16)

HVACHollywood, FL

HVAC repairsHVAC installationHVAC maintenanceAir conditioning replacementHeating repair and serviceDuct cleaningRefrigerant leak repairEmergency HVAC serviceCommercial HVAC services

TemPros Air Conditioning & Heating, Inc. is a family-owned, full-service HVAC company providing residential and commercial air conditioning and heating work throughout South Florida. The team handles HVAC repairs, installations, replacements, maintenance, and system upgrades, and services all AC makes, brands, and models. Common problems the technicians take on include freon leaks, dirty filters, clogged drains, bad capacitors, poor refrigerant fluid levels, inconsistent temperatures, and poor airflow. A comprehensive maintenance program is available, designed to protect, inspect, and extend the lifespan of a system, and duct cleaning with inspection is offered as well. Every job follows the same four steps: schedule the service by phone or online, a certified technician inspects the system and explains the best solution, the repair or installation is completed with quality parts, and the system is tested before the crew leaves. TemPros is fully licensed, insured, and certified for code compliant workmanship under Florida license CAC1819792, and emergency heating and AC repair is available 24/7 at (305) 609-5132. Flexible HVAC financing is offered through Foundation Finance with approval in as little as 10 minutes, alongside seasonal promotions on repairs, installations, and duct cleaning.