Full-service HVAC for residential and commercial customers — installation, service, and repair on the equipment you depend on.
Every job is different, so we don't post one-size-fits-all prices. Give us a call or send a message describing what you need, and we'll provide a fair, honest quote — at no cost to you.
From a furnace tune-up to a new commercial rooftop unit — we install and service the equipment that keeps homes and businesses comfortable.
Installation, service, and repair for natural gas and propane furnaces — residential and light commercial.
Service and installation for electric furnaces, baseboards, and supplemental heating systems.
Air-source heat pump installation and service — efficient, year-round heating and cooling in one system.
From a quiet home AC swap to a small commercial system — we'll size and install the right unit for the space.
Install and service for residential and light-commercial boilers — gas, oil, and steam systems.
Tank, tankless, gas, and electric water heater installation, service, and replacement.
Commercial HVAC has its own quirks — different equipment, tighter timelines, and customers and staff who need to stay comfortable while the work happens. We've been doing it for years.
If you run a small business and need a contractor who's responsive and reasonable, give us a call.
Request a commercial quoteYes. Heating and AC failures don't keep business hours. Call (215) 303-6289 any hour — Dave answers the phone, not a call center.
We're based in Trevose, PA and serve Bucks County and the greater Philadelphia area, including Bensalem, Feasterville, Langhorne, Levittown, Newtown, and Yardley.
Yes. Diamond Dave's Mechanical Service LLC is fully licensed and insured for residential and commercial HVAC work in Pennsylvania.
No. Quotes are free with no obligation. Tell us what you need and we'll give you an honest price and a realistic timeline.
We recommend an annual tune-up — heat in the fall, AC in the spring. Routine maintenance catches small issues before they become emergency repairs and extends the life of the equipment.
Yes. We handle rooftop units, package systems, light commercial split systems, and restaurant make-up air and exhaust. After-hours service is available so we don't disrupt your business.
Yes. Air-source heat pumps work well in our climate, and we install and service them for year-round heating and cooling in one system.