Medford Wellington provides comprehensive heating, air conditioning, refrigeration, sheet metal, plumbing and electrical services to commercial and residential clients in Waltham, MA.

We are available for service 24 hours a day. Read our reviews and find out why your neighbors consider us to be their nearby heating and air company and local plumber in Waltham, MA.

Local Reviews
for Waltham, MA

Our Reviews by City



Landon M.

Landon M.

Commercial HVAC Repair for a Bohn Reach in Cooler that keeps Tripping the breaker. Found one of the wires tripping the breaker from the ground. Replaced the Wires and the unit is now fully operational.

Near Smart St, Waltham, MA 02451
Michael B.

Michael B.

Commercial Electrical Install for a new Electrical Outlet. The client wants a new Electrical outlet in the middle of the hallway for a wall-mounted fan. must use a GFCI because the eyewash station is within five feet. Completed Install tested circuit and GFCI everything is operational.

Near Ellison Park, Waltham, MA 02452
Ronald D.

Ronald D.

Commercial Heating Repair for a Lennox RTU that is not heating the space. Found the Gas valve ignition control module ignitor and flame sensor all to have failed. The only way for heat to be returned to the system is to replace all parts listed. Replaced the parts and the unit is now fully operational.

Near Floral Cir, Waltham, MA 02452
Sandra L.

Sandra L.

Commercial HVAC Repair for a Modine Pollution Control Unit (PCU) that is leaking severely. The two PCU's are covered in grease. In order for the leak to be repaired the PCU's are going to need to be cleaned out. Cleaned out the PCU's and the systems stopped leaking.

Near Andrea Rd, Waltham, MA 02453
Mark S.

Mark S.

Commercial Refrigeration Repair for a Randell Reach-in cooler that is not cooling the space. Found the Thermostat to be stuck in the open position. Replaced the thermostat and the unit is now fully operational.

Near Cedar Hill Ln, Waltham, MA 02452
Michael A.

Michael A.

Commercial Heating Repair for a Trane Furnace that has a failed condensate pump. Found the Condensate pump in need of replacement. Replaced condensate pump and the unit is now fully operational.

Near Overlook Rd, Waltham, MA 02451
Lori M.

Lori M.

Commercial Plumbing repair for a Bryant Boiler that is not heating the space. Found the boiler to have no pressure in it. I went to fill the boiler and found the fast-fill had seized. Bypassed the Fast fill and found multiple different leaks in the system. Must replace the Fast-fill, circulator pump, Hy-vent, Boiler drain, and the expansion tank in order for the system to become fully operational. Returned on site and replaced the required parts. The unit is now fully operational.

Near Mokema Ave, Waltham, MA 02451
Karl P.

Karl P.

Commercial HVAC Service for a Carrier RTU that is not cooling the space. Found the Thermostat set for 55 degrees when temp inside the dining room is 80. Went to the RTU on the roof and found unit running for about 10 minutes then it will shut off for two minutes repeatedly. Found a failed Economize Module. Replaced Economize Module and system is running Fully operational.

Near Guinan St, Waltham, MA 02451
Jonathan P.

Jonathan P.

Commercial Plumbing Repair for a Bryant Boiler that is not heating the space. Found the gas valve to have failed. Recommended Commercial Plumbing Install for a new Gas Valve.

Near Centre St, Waltham, MA 02453
Karl P.

Karl P.

Commercial Electrical Repair for a Generac Generator. The client wants a new generator before it snows.

Near Lawrence St, Waltham, MA 02451
Landon M.

Landon M.

Commercial Heating Repair for a Carrier RTU that is not heating the space. Found the Reversing valve to have failed. Recommended Commercial Heating Install for a new Reversing valve.

Near Sanderson Rd, Waltham, MA 02451
Lori M.

Lori M.

Commercial Heating repair for a Carrier Furnace that is not heating the space. Found the Inducer Motor to have failed. Recommended Commercial Heating Install for a new Indoor Blower Motor.

Near Azalea Rd, Waltham, MA 02452
Mark S.

Mark S.

Commercial HVAC Repair for a Carrier RTU that is not cooling the space. Found the Compressor to have failed. Recommended Commercial HVAC Install for a new Compressor.

Near Sartell Rd, Waltham, MA 02451
Michael A.

Michael A.

Commercial HVAC Repair for a Carrier RTU that is not cooling the space. Found the Compressor to have failed. Recommended Commercial HVAC Install for a new Compressor.

Near Edwin Rd, Waltham, MA 02453
Michael B.

Michael B.

Commercial HVAC Repair for a Carrier RTU that is not cooling the space. Found the Compressor to have failed. Recommended Commercial HVAC Install for a new Compressor.

Near Lord St, Waltham, MA 02451
Nathan C.

Nathan C.

Commercial HVAC Repair for a Carrier RTU That is not cooling the space. Found the Indoor Blower Motor to have failed. Recommended Commercial HVAC Install for a new Indoor Blower Motor.

Near Hagar St, Waltham, MA 02453
Mark S.

Mark S.

Commercial Refrigeration repair for a Traulsen Walk-in Cooler that is not cooling the space. Found the Compressor to have failed. Recommended Commercial Refrigeration Install for a new Compressor.

Near Rutledge Terrace, Waltham, MA 02452
Michael A.

Michael A.

Commercial Refrigeration Repair for a Hoshizaki Ice Machine that is not making any ice. Found the water Pump to have failed. Recommended Commercial Refrigeration Install for a New Water Pump.

Near School St, Waltham, MA 02452
Ryan W.

Ryan W.

Commercial Electrical Install for a Generac Generator. FOund the Old Generator to have failed. Recommended Commercial Electrical Install for a new Generac generator.

Near Forest St, Waltham, MA 02452
Sandra L.

Sandra L.

Commercial Plumbing repair for a leaking pipe. Found the pipe to be cracked. Recommended Commercial Plumbing install for a new Segment of pipe.

Near Ellison Park, Waltham, MA 02452
Scott F.

Scott F.

Commercial Heating Repair for a Lennox RTU That is not heating the space. Found the Indoor Blower Motor to have failed. Recommended COmmercial Heating Install for a new Indoor Blower Motor.

Near Mallard Way, Waltham, MA 02452
Senad D.

Senad D.

Commercial Heating Repair for a Trane furnace that is not heating the space. Found the Inducer Motor to have failed. Recommended COmmercial Heating Install for a new Inducer Motor.

Near Sparkill St, Waltham, MA 02452
Shawn H.

Shawn H.

Commercial HVAC Repair for a Trane RTU that is not cooling the space. FOund the Compressor to have failed. Recommended Commercial HVAC Install for a new Compressor.

Near Humboldt St, Waltham, MA 02452
Patrick H.

Patrick H.

Commercial HVAC Repair for a Carrier RTU that is not cooling the space. FOund the Indoor Blower Motor to have failed. Recommended COmmercial HVAC Install for a new Indoor Blower Motor.

Near Alder St, Waltham, MA 02453
Tom K.

Tom K.

Commercial Refrigeration Repair for a carrier RTU That is not cooling the space. Found the Compressor to have failed. Recommended Commercial Refrigeration Install for a new Compressor.

Near Ellery Rd, Waltham, MA 02453