Maryland's Most Trusted HVAC Company
for Over 50 Years
Family-owned and operated since the beginning. Providing expert heating, air conditioning, and ventilation services throughout Frederick, Carroll, Montgomery & Washington Counties, Maryland.
Our HVAC Services
From installation to repair and maintenance, we handle all your heating and cooling needs with expert care.
Heating
Expert furnace installation, repair, and maintenance. Keep your home warm all winter long.
Air Conditioning
Central AC installation, repair, and tune-ups. Stay cool and comfortable in the summer heat.
Ventilation
Improve indoor air quality with proper ventilation systems designed for your home or business.
New Construction
Complete HVAC systems for new builds. We work with contractors to install efficient systems from the ground up.
A Family Legacy Built on Trust
Don Lowe and Sons has been serving Maryland homeowners and businesses for over 50 years. Founded by Donald L. Lowe, our family-owned company has built a reputation for honest work, quality equipment, and dependable service throughout Frederick County and beyond.
Our Work
See examples of our HVAC installations and sheet metal fabrication work.
Our Brand Partners
We install and service the industry's most trusted equipment brands.
Authorized Pro Partner
Authorized Dealer
What Our Customers Say
Don't just take our word for it. Hear from our satisfied customers.
“Don Lowe and Sons installed a new HVAC system for us and did an amazing job. Professional, on time, and the system works perfectly. Highly recommend!”
“Excellent service! Our AC went out in the middle of summer and they came out quickly. The technician was knowledgeable and had us up and running in no time.”
“We've used Don Lowe and Sons for 15 years. They are trustworthy, fair, and do great work. The whole family has relied on them for all our HVAC needs.”
Need HVAC Service? We're Here to Help!
Available for residential and commercial HVAC service throughout Maryland.
Accepted Payment Methods
