BOSTONCOMFORT SYSTEMS
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Our work

Clean installs, tidy work, real results.

A look at heating, cooling and refrigeration work we’ve done across Greater Boston, right-sized equipment, neat line sets, and finishes we’re proud to put our name on.

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Viessmann water heater with new copper piping and hydronic controlsViessmann water heater replacementRound Nest smart thermostat displaying 66 degrees on a finished wallNest smart thermostat installationCopper hydronic heating manifold with multiple zone circulators and shutoff valvesHydronic heating zone manifoldTwo Carrier outdoor AC condensers installed beside a home on clean equipment padsDual Carrier condenser installationSeveral outdoor AC condensers installed and serviced on a Boston rooftopRooftop AC condenser serviceCommercial refrigeration compressor being tested with professional service toolsRefrigeration compressor diagnosticsCrane truck lifting packaged HVAC equipment for a residential installationHVAC equipment crane deliveryFujitsu mini-split outdoor condenser with professional service toolsFujitsu mini-split condenser serviceBasement furnace installation connected to insulated supply and return ductworkBasement furnace and ductwork installationResidential furnace opened to expose burners, blower, wiring, and control componentsResidential furnace repairTechnician testing electrical controls inside an open outdoor AC condenserAC condenser electrical testingHVAC technician leveling a mounting bracket for a ductless mini-split indoor unitMini-split mounting bracket installationWhite Daikin ductless mini-split indoor unit installed high on a finished wallDaikin ductless mini-split installationDaikin ductless mini-split indoor unit installed neatly near a ceilingFinished Daikin mini-split installationOpen gas furnace showing burners, inducer assembly, controls, and service instrumentsGas furnace internal serviceDigital furnace control and diagnostic display mounted inside heating equipmentFurnace control system diagnosticsDigital manifold gauges connected to an outdoor AC condenser during repairAC repair with digital manifold gaugesBoston Comfort Systems technician repairing electrical components inside an outdoor condenserOutdoor condenser electrical repairDaikin ductless mini-split outdoor condenser installed on a rooftop standDaikin rooftop mini-split condenserThree outdoor AC condensers with service tools and refrigerant equipmentMulti-system AC serviceOpen Navien combi boiler being tested with a digital multimeterNavien combi boiler repairHorizontal air handler connected to insulated ductwork in an atticAttic air handler installationExposed evaporator coil and fan compartment inside commercial refrigeration equipmentCommercial refrigeration evaporator serviceOutdoor condenser coil covered with dirt and debris before professional cleaningCondenser coil before cleaningHVAC technician servicing a ductless outdoor heat pump with tools nearbyDuctless heat pump serviceStainless commercial refrigeration equipment lined up in a professional kitchenCommercial refrigeration serviceTwo Goodman outdoor heat-pump condensers installed on rooftop equipment padsGoodman rooftop heat pump installationOpen gas furnace with digital diagnostic instrument connected during serviceGas furnace diagnostic serviceHorizontal furnace and air handler installed in an attic with drain and duct connectionsAttic furnace and air handler installationOpen stainless commercial reach-in refrigerators during on-site repairCommercial reach-in refrigerator repairOpen packaged rooftop HVAC unit with panels removed for repairPackaged rooftop unit repairWall-mounted Navien tankless water heater with organized copper and hydronic pipingNavien tankless water heater installationTechnician holding a Nest thermostat display beside its mounted wall baseNest thermostat setupOutdoor AC condenser coil visibly clogged with dirt before cleaningDirty condenser coil before maintenanceResidential outdoor condenser installed on a narrow side yard padResidential outdoor condenser installationTwo residential heating boilers installed side by side with hydronic pipingTwin residential boiler installationGoodman outdoor AC condenser connected to digital service gaugesGoodman condenser serviceRuud horizontal furnace installed with venting, ductwork, and condensate pumpRuud horizontal furnace installationStainless commercial upright refrigerator installed in a food-service workspaceCommercial upright refrigerator serviceLow-voltage HVAC wires connected to a round thermostat wall baseThermostat wall base wiringElectronic HVAC zoning control panel with labeled thermostat and damper wiringHVAC zoning control panelExposed indoor evaporator coil being inspected inside HVAC equipmentEvaporator coil inspectionOpen wall-mounted Navien boiler showing internal heat exchanger and controlsNavien boiler internal diagnosticsHorizontal attic air handler opened to expose blower and control componentsAttic air handler internal serviceFurnace control board with labeled low-voltage and line-voltage wiringFurnace control board repairMultiple new outdoor condenser units staged for HVAC installationsOutdoor condensers ready for installationOpen dual-fan heat-pump outdoor unit showing coils, fans, and electrical controlsDual-fan heat pump serviceClose-up of furnace control board wiring during electrical diagnosticsFurnace electrical control diagnosticsCompact basement furnace installation with organized venting and duct connectionsCompact basement furnace installationOperating furnace blower assembly exposed during heating-system repairFurnace blower repairDigital manifold gauges connected to an outdoor heat pump during refrigerant testingHeat pump refrigerant testing

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