Best heating and air conditioning pros near Hanover, PA

"Kevin arrived today for the Spring Preventive Maintenance service on our HVAC system that we purchased a few years ago from Holtzople Heating & Air Conditioning. As always, we received an email and a phone call to let us know when the HVAC technician would be arriving. The Holtzople HVAC technicians are always very professional, clean, thorough, and polite and friendly. They are always willing to answer any questions we have, and their expertise and experience are evident in the excellent service they provide."

"Mike was great. Stellar communication, installed HVAC system quickly and gave me a good price. Would hire again."

"Very professional. Very Knowledgeable. The equipment is the best I've seen for the price. And I've seen a lot of them. Commercial and residential. I would not use anyone else. HVAC companies are not all the same. Believe me, I know. Have had years of experience overseeing Commerical HVAC contracts."

"Project: Clean HVAC ducts. Arrived on time. Very professional. Even re-taped nearly all the joints in the main duct / trunk. I would use them again."

"Super professional group of the most experienced techs around. I would highly recommend and count on them for all my home’s hvac needs."

"I AM BUYING A HEATER SERVICE CONTRACT FROM PETRO THIS YEAR."

"Mr. Williams was prompt, courteous and professional. The repair was completed quickly and at a very reasonable rate. I highly recommend him for any plumbing or HVAC concerns."

"In addition to the work done, they identified issues that my other HVAC provided did not catch"

"Not only did they replace my old oil system with a heat pump, they replaced my entire AC system as well. Much more efficient, included new thermostats which are operated via mobile devices, and gave me peace of mind. Recommended an appropriate heating and AC system, replaced everything and did it in an efficient manner. Much more reasonably priced than all other quotes, prompt service & quick completion of the task. Didn't try to talk over my head about things that I wouldn't understand, explained it clearly and effectively. Highly recommend to anyone needing any type of heating or cooling repairs or replacements."

"I had a great experience with this HVAC technician! Brandon showed up on time, was super professional, and really knew what he were doing. He took the time to explain everything and made sure my system was working perfectly before leaving. You can tell he care about his work. I Definitely recommend them to anyone needing HVAC service! I will definitely be calling back if i ever need service."