
Serving Hartly, DE and surrounding areas
Approved
In business since 2018
Emergency services offered
Small jobs welcome
"Rich did a great job and spent a lot of time making sure everything was done properly. Priced fairly as well. Highly recommend."






Serving Hartly, DE and surrounding areas
Approved
In business since 2018
Emergency services offered
Small jobs welcome
"Rich did a great job and spent a lot of time making sure everything was done properly. Priced fairly as well. Highly recommend."





Serving Hartly, DE and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 2018
Free estimates
Emergency services offered
"They did the work, thoroughly explained everything to me, gave me maintenance tips, and recommendations for future projects. Their estimate was lower than the competitor's was. They had everything they needed. They were great."




Serving Hartly, DE and surrounding areas
Approved
Super Service Award Winner
Free estimates
Emergency services offered
Warranties offered
"Major League HVAC did a fantastic job installing my new heat pump and beat everyone price. Excellent customer service and great employees. Clean job and on time service."





+6

Serving Hartly, DE and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"My Google review for James. If you need excellent emergency heating service, One Hour Service is the place to call. They are fast, efficient, and truly professional. My technician, James Schmidt was incredible and very respectful. He walked me through the entire process, explained his recommendations clearly, and his product knowledge was A1. For your HVAC James gives a peace of mind for your home. One Hour Service offers a Family Plan for tune up’s and yearly checks for my unit to supports the air quality in my home. I would absolutely recommend One Hour Service to my family, friends, and neighbors—simply the best."


Serving Hartly, DE and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Took care of my transferred warranty and required repairs quickly"





+18

Serving Hartly, DE and surrounding areas
Approved
In business since 2025
Free estimates
Warranties offered
"Yes he explained why electricity bill was higher than normal and how to reduce it!"
Serving Hartly, DE and surrounding areas
Approved (Corporate)
"During this very cold winter, I wanted my HVAC system checked out, esp after the fan were frozen in place before being de-iced by me. The service person was great. He checked my system and was able to answer my questions. Thank you."
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