
Serving Telford, PA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"installation went well, but I was promised a permit but it didn't happen probably will not hire again or recommend to anyone
"





Serving Telford, PA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"installation went well, but I was promised a permit but it didn't happen probably will not hire again or recommend to anyone
"




Serving Telford, PA and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Andrew replaced our heating and cooling system and went above and beyond. He ran into a lot of faulty wiring from the previous installation and made everything right so we have a safe and functioning unit. He worked long hours to get the job done quickly as well. Thank you Andrew! Totally recommend and will continue to use him and his company."





+23

Serving Telford, PA and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Yes, one day install conversion from tank electric to tankless gas with water softener"





+6

Serving Telford, PA and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Fast, courteous, professional service. The tech called before showing up, and he even arrived a few minutes early. They follow a system of standardized prices for services. It seemed a bit expensive - the technician was at my house a total of less than 45 minutes to charge the refrigerant in my split AC unit, and the total bill was around $500. That seems a bit high. But the technician also tightened all fittings and checked for any other issues. The AC works great now, so I can't complain. Overall, great experience."

Serving Telford, PA and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"We had a new heater installed by this company. The process was so easy. Everything was explained with detail from start to finish. We also used them for routine services. They always respond promptly and come out quickly. We will definitely use them again and recommend them to anyone looking for HVAC services."





+7

Serving Telford, PA and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1966
Free estimates
Emergency services offered
"Very quick and efficient installation, we are so happy with the outcome!"





Serving Telford, PA and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"Very professional installation. Was done in a timely fashion and the crew was very professional and clean. Huge difference in the comfort of our home now."




Serving Telford, PA and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"A very good team of Technicians. Worked well to complete installation and removal of old system faster than I expected. Cleaned up behind themselves. Would recommend company to others."





+18

Serving Telford, PA and surrounding areas
Approved (Corporate)
In business since 1989
Free estimates
Emergency services offered
"Professional all the way. Good design. Excellent Mitsubishi products. Installation team was polite and effective. Only took day and a half, just like they said it would. Also offered 0% financing offer could not be beat. System required a few minor tweaks. They came out immediately at no cost. Very happy with the experience and new A/C."

Serving Telford, PA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
Keystone Comfort HVAC was built to provide a better experience for homeowners in southeastern PA. After years of working within large, corporate-driven HVAC environments, our founders saw a growing need for a company that values honesty, quality work, and long-term relationships over quick transactions. We understand the common frustrations customers face, including unclear communication, rushed service, and short-term fixes that don't solve the real problem. We take the time to listen, explain what is happening, and provide clear recommendations tailored to your needs. Whether it is system repairs, new installations or maintenance, we focus on doing the job right the first time. We believe that when customers feel informed/confident in their decisions, the results are better. We also believe that strong teams create better outcomes. By supporting our employees and maintaining high standards in our work, we are able to deliver consistent service that customers rely on.





+6
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