Legacy Comfort Systems
“Very knowledgeable about the Mitsubishi split system and how it would work for our needs.”
Best HVAC Contractors in Harrisburg, PA
16 companies listed · all 16 in Harrisburg · 3 open 24/7 · 5 open weekends · 12 rated 4.5+
Data verified October 31, 2026
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HL Bowman Inc Plumbing Heating & AC
“This company provided me the best-ever experience I ever had with a contractor - not a small feat when I have family in the business and am capable of doing many home repairs myself!”
Commercial Refrigeration
“Dan was an excellent service professional and gave us clear explanations and options.”
The Heating and Cooling Guys
“They were friendly and knowledgeable and replaced our unit within 72 hours after the unit went down.”
C.F. Acri and Son
“Safety and integrity have always been on display by their technicians and the office staff have always been wonderful to work with.”
George D Boyer & Sons Inc
The 16 companies listed for Harrisburg, PA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: Harrisburg, PA
All 16 companies we list here are in Harrisburg itself. We have 17 companies in Harrisburg on file; this page shows the highest-rated 16. 15 of the companies on this page have a rating, from 4.1 to 5.0 across 2,922 reviews; 4 have 50 or more reviews and 12 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise responsiveness (89%), punctuality (87%) and quality (84%). 3 are open around the clock; 5 are open on Saturdays and 4 on Sundays. 2 show a license on their websites; 1 lists staff certifications (EPA) and 2 have a BBB rating of A or A+. Domain records put 6 websites of the companies on this page at ten or more years old; the oldest dates from 1996. 4 offer emergency call-outs; 4 offer financing or payment plans; 3 give free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 14 of the companies on this page; 11 publish a contact page; 6 list a public email and 2 take bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any heating firms listed for Harrisburg work on Saturdays or Sundays?
Saturday or Sunday hours show up for 5 of the 16 companies here. Saturdays fill with the calls that came in on Friday, so ask whether you are getting a repair slot or a sales visit. Sunday work is usually treated as an emergency call.
A To Zinn Hvac
“They worked really hard to get my 3 zone mini split installed in one day and it both looks and works amazing.”
All American Cooling & Heating
“Very responsable and they did a good job and completed the job same day.”
Climatec Mechanical Llc.
“Always takes the time to identify the root cause and walks me thru the process.”
03hvac
“Only HVAC Co I will call and trust with our heating and air-conditioning needs!”
MT Building Services
“Good fellas, polite, on time, they work neatly & efficiently, well experienced.”
McClure Company
“Best mechanical and HVAC contractor around.”
DVL Group Inc
Total Home Care and Restoration
“Great group of workers that I can count on every time.”
AJ Heating AND Cooling
“They are very professional service is good friendly people”
KCS Home Services
Why these companies made our list
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