#1 Wickstrom Plumbing Heating & Cooling
Meridian · Licensed since 2004
Family-owned plumbing, heating and cooling company serving the Boise metro area and Valley County since 1992.
24/7
Best AC & HVAC installation companies in Boise, ID
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#2 Access Heating & Air Conditioning
Boise · Licensed since 2005
Boise and Meridian heating, cooling and plumbing company that has served local homes since 1972.
24/7
#3 TSS Home Comfort
Boise · Licensed since 2005
Boise heating, cooling and air quality company (licensed as TSS HVAC Services LLC) serving homes and businesses.
#4 Ashley Heating, Air & Water
Boise · Licensed since 2006
Boise heating, cooling and water treatment company founded by Toby Ashley in 1994 and run by the Ashley family.
24/7
#5 Capital City Heating & Cooling
Boise · Licensed since 2010
Boise company that repairs, installs and maintains heating and cooling systems for homes and light-commercial buildings.
24/7
#6 A-1 Heating, Air Conditioning & Electric
Meridian · Licensed since 2016
Meridian heating, cooling and electrical contractor that has served the Treasure Valley and McCall since 1956.
#7 Peppy Heating & Cooling
Boise · Licensed since 2017
Family-owned Boise heating and air conditioning company with a second office in Nampa.
24/7
#8 7th Element Heating & Cooling
Meridian · Licensed since 2018
Family-owned Meridian HVAC company that installs and repairs furnaces, air conditioners and heat pumps.
#9 Boise Valley Heating & Air
Meridian · Licensed since 2023
Meridian residential and commercial HVAC company that has served the Treasure Valley since 2007.
24/7
#10 Express Plumbing Heating & Air
Boise · Licensed since 2024
Family-owned plumbing, heating and air conditioning company with offices in Boise and Nampa, serving Ada County since 2006.
#11 Gem Heating & Air Conditioning
Boise · Licensed since 2026
Family-owned Boise HVAC company serving homes and businesses across the Treasure Valley.
24/7
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Rankings follow our published criteria (see How we rank). License details come from the Idaho Division of Occupational and Professional Licenses (DOPL); services, hours and prices from each company's own website. Confirm prices and availability with the company.
About HVAC in Boise
Boise has a semi-arid climate with hot, dry summers, reaching 90 °F on about 55 days a year, and cold winters with a December average near freezing, so most homes rely on both air conditioning and a furnace or heat pump. Idaho HVAC contractors hold an HVAC Contractor License issued through the HVAC Board of the Idaho Division of Occupational and Professional Licenses (DOPL). Idaho Power, the local electric utility, pays cash incentives for qualifying heat pumps, central air conditioners and duct sealing in existing homes. Ranked by license record and years licensed, never by payment. Checked 27 October 2026.