Your Trusted Pittsburgh Area
HVAC and Plumbing Contractors

Is your furnace or boiler struggling to heat your home properly?? Ah jeez, that’s no good—not in a ‘Burgh blizzard! If you’re having an issue with your heating system, call us—no matter your heating problem.

Don’t let the muggy summer weather keep ya down. We know how bad it is to be stuck without cool air in the middle of a Pittsburgh summer. If you’re having issues with your AC, we can help.

Having issues with your plumbing? Let our Pittsburgh pros help. We know how much of an investment you make in your plumbing systems, and we’ll never upsell you on a service you don’t need.

It is easy to get carried away thinking about how the temperature of the air around us feels, but what about the breathing quality of that same air? Trust the whole-home experts at Calfo.

It is easy to get carried away thinking about how the temperature of the air around us feels, but what about the energy that escapes through your attic every day? Trust the whole-home experts at Calfo to seal, insulate, and protect your home so you stay comfortable and keep more money in your pocket.

Stop paying for air you never feel. Calfo’s Aeroseal duct sealing in Pittsburgh locks leaks from the inside, cutting energy bills, balancing room temperatures, and giving your family cleaner, healthier air — all in just one day.

Breathe easier with Fresh Air Duct Cleaning by Calfo. Our Pittsburgh-based team removes dust, allergens, and buildup from your ducts, improving indoor air quality, boosting HVAC efficiency, and keeping your home cleaner and healthier year-round.

Keep your basement dry with expert French drain installation in Pittsburgh. Affordable drainage systems, trusted contractors, free estimates.