Get matched with top heating and air conditioning pros in Deering, NH

"Great !! Gabriel was on time and went right to work. He took pictures of duct work before and after. He supplied my wife and I N95 masks to wear during the cleaning keeping us safe. Gabriel was a true professional."

"Absolutely top notch service and knowledge for the best price around Literally wouldn’t even consider calling another hvac company - thank you Keenan we look forward to the next time we need your services"

"Mike & Chase came to do the annual maintenance that hadnâ t been done in over 5 years. They were efficient and careful working on this very old furnace. Mike was very informative- explained and answered all my many questions. Professional, efficient, thoughtful and polite. Iâ m scheduling them for my AC maintenance and plumbing needs. Trustworthy!"

"Brady and Casey are an awesome team. They came a long distance when the locals couldn't or wouldn't. They're friendly, extremely knowledgeable and if they were closer, they would be our regular furnace experts!"

"Good job at a good price"

"We needed chimney sweep & minor repairs. Scheduling was easy and the guys who showed up were on time and very professional. Work was done well and we’re very happy, will be calling them for all future work on our chimney and HVAC."

WalshCo is a family-owned heating company specializing in oil-fired heating systems throughout New Hampshire and surrounding communities.\n\nOur services include oil tank installations and replacements, oil boiler and furnace installations, heating system repairs, annual maintenance and tune-ups, diagnostics, emergency no-heat service, water heater installations, and oil tank inspections.\n\nWe take pride in providing honest recommendations, quality workmanship, fair pricing, and dependable service. Whether you need a new oil tank, a complete heating system replacement, or fast repairs to restore your heat and hot water, our licensed technicians are committed to getting the job done right.\n\nAs a family-owned business, we believe in straightforward communication, professional service, and treating every customer?s home with the same care and respect we would our own.

"They replied by email but once I sent them all plans, I never heard back on a quote or estimate."

"He was courteous and professional. Very friendly and easy going. At the same time very honest."

"Andrew knocked this install out of the park! He replaced an incredibly inefficient hot water heater with a hybrid hot water heater, ran the condensate line through pipe straps screwed into drop in anchors along our basement wall with the cleanest looking final result that surpassed every expectation I had. He was very communicative well within the budget and will be our go to for any future work we need as long as we live in this area!"