Popular Cities
We have one company in Severn on file, and it is on this list, along with 23 from towns including Baltimore (5, 13 mi), Hanover (2, 4 mi) and Crofton (2, 9 mi).
13 open 24/7 · 19 open weekends · all 24 rated 4.5+ · 10 show a license
Data verified October 21, 2026
The 24 companies listed for Severn, MD work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
The 24 companies on this page are rated from 4.5 to 5.0 across 7,093 reviews; 23 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (95%), responsiveness (86%) and quality (79%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "efficient". 13 are open around the clock; 19 are open on Saturdays and 16 on Sundays. The services the companies on this page list most often on their websites are heating services (3), indoor air quality (3), AC services (2), commercial hvac (2) and duct cleaning (2). 10 show a license on their websites; 1 lists staff certifications (NATE) and 14 have a BBB rating of A or A+. 18 have ten or more years of experience, the longest 89 years. 16 offer emergency call-outs; 19 offer financing or payment plans; 11 give free estimates; 10 are family- or locally-owned and 16 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Round the clock availability appears in 13 of the 24 listings on this page. An overnight visit is usually a diagnosis and a temporary fix, since supply counters are shut until morning. Ask what the after hours call out is before the truck leaves.
- “They installed a high quality heat pump system at a reasonable price.” — customer of Ambient Cooling & Heating LLC
- “Prompt, professional, very fair pricing, and my furnace is again pumping out heat.” — customer of Climatecare Hvac Services
- “When our furnace failed, Yosef came out the same day to diagnose the problem and gave an honest and competitive set of proposals for replacements.” — customer of Home Comfort Air Services
- “Their prices continue to be incredibly reasonable. Their workers are sincere and very committed and always do a great job.” — customer of Greenfox Cooling
- “Stephen and his team were professional and promptly responded to my request for my furnace replacement.” — customer of S&L AC
Excerpts from public reviews of the companies listed on this page.
