Heating
Furnaces, steam & hot-water boilers, heat pumps, and water heaters — repair, maintenance, replacement, and oil-to-gas conversions.
Residential Services
One company for every season your house has
Heat in January, cooling in July, healthy air year-round. J&M covers the whole mechanical side of your home — so the only number you need on the fridge is ours.
Cooling
Central air and ductless mini-splits — seasonal tune-ups, emergency repairs, and right-sized replacements.
Air Quality & Comfort
Smart thermostats, UV purification, electronic air cleaners, and whole-home humidifiers for healthier air.
Duct Cleaning
Professional cleaning for the ductwork every breath in your house passes through.
Word of mouth
Built on referrals, not ad budgets
J&M grew for nearly two decades the old-fashioned way — neighbors telling neighbors who to call.
“Mike was great — professional, on time, and got the job done right the first time.”
“They found the problem, explained it in plain English, and had it repaired quickly.”
“Extremely friendly and professional — they were even able to fit us in same-day.”
24/7/365 · Since 2006
Comfort problem? Consider it handled.
Talk to a real J&M technician — not a call center. Same-day appointments are often available across Central & Northern NJ.
Licensed & insured · NJ Master HVAC Lic. #19HC00743200