Best heating and air conditioning pros near Frederick, PA

"Highly recommend J.P. Works. LLC! So professional yet very friendly. They did a great job installing our new central air conditioning system. They cleaned up after themselves and told us how best care for the system. Their prices are very good for quality equipment. Great job to Jim and his crew... and the owner Dave so personalable he followed up to make sure we were satisfied. We are very happy with our new central air system. Keep up the GREAT work J.P. Works LLC. Love the Aviles family..."

"The appointment was made within 2 days of contacting them. The technician (Brian) was punctual for a 7:30 am appointment. Once there, Brian did a fantastic job of communicating the services that he was performing and kept me very informed about the status of the AC system. He found some issues that had been previously overlooked by former HVAC technicians and provided me with a very detailed understanding of what the outlook for my unit should be in the future. I noticed an immediate improvement in the cooling of the house as well as the air quality. I can't thank this company and this technician enough for being so professional in the way they conduct their business. I would recommend them to anyone in need of HVAC service."

"I met with about twelve hvac contractors as my project was a large job that included two systems and duct work. I met Erik last and he was the most straightforward person and did not try to up sell me. He painted the picture of what he would do and was confident in his proposal. When the work started it was smooth and detailed. Erik and his crew answered my many questions which helped me feel more confident. Overall a wonderful experience and value for your money. Erik included many items that other companies did not which helped the end product look and function better. Thank you!"

"My new HVAC system failed at beginning of summer . They worked with me to fix and resolve the problem . The last visit with their technician Hunter went well. He took the time to explain and show us the different filters that we need to monitor. Thank you Hunter , Tyler and AC techs. I canâ t live without AC. Otherwise I drip with sweat . No Florida retirement for me ."

With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!

"I would give MORE stars if I could. Service was excellent. Greg arrived at the appointment time, was clear about what he would do and how he would do it. He was very clean in his work. He removed all duct covers, then began the cleaning. I had some issues with the antibacterial disinfectant (allergies) he would be using. He advised I could research it and let him know. He even allowed me to smell the disinfectant. We did use it and the smell was very mild and dissipated in about a half hour. After cleaning the duct work, he returned all the duct cover and cleaned up his work area. He worked by himself and had the job done in under 3 hours. And the price was fantastic, coming in at over $150.00 and $300.00 less than 2 other bids. If you're looking for duct cleaning for your HVAC system or dryer (he did that, too!), The Duct Pros are where you want to go! Thank you Duct Pros!"

At Dilling: Heating, Cooling, Plumbing & Electrical, we provide HVAC, Plumbing, and Electrical repair, maintenance, and replacement services in the Charlotte Metro and surrounding areas. We are available to you 24 hours a day, seven days a week, and can respond to your home's service issues within 24 to 48 hours upon initial request. Give us a call today! Dilling Does It - Since 1955!

"Matt was prompt and gave his professional advice at no charge. In the end we donâ t need to install a centralized dehumidifier, but because of his honestly and level of experience we have decided to use this company for all of our future HVAC needs"

"HVAC technician was personable and helpful."

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.