Complete HVAC Services for Homes and Businesses in Brooklyn

Full-Service Heating and Cooling Support Built for Comfort and Reliability

Room temp mechanical hvacllc provides expert installation, repair, replacement, and maintenance for residential and commercial HVAC systems across Brooklyn and the five boroughs. We focus on dependable service, honest recommendations, and energy-efficient results.

Stylized blue and red air conditioner with a fan and sweeping airflow lines

Our HVAC Services

HVAC technician kneeling beside outdoor unit, checking gauges with tools on a patio.

Air-Conditioning Services

Keep your Brooklyn property comfortably cool.


Room Temp Mechanical HVAC LLC installs central air-conditioning equipment and troubleshoots systems that are not cooling properly. Services include refrigerant leak detection, refrigerant recovery and charging, coil cleaning, compressor replacement, and electrical component repair. Preventive maintenance and tune-ups are also available to support dependable cooling and efficient operation.

Technician cleaning a wall-mounted air conditioner with a blue vacuum hose in a living room

Mini-Split & Ductless Systems

Targeted comfort with flexible ductless equipment.


Ductless mini-split systems provide efficient heating and cooling for rooms and properties where conventional ductwork may not be practical. Room Temp Mechanical HVAC LLC installs mini-splits, performs diagnostic service, searches for refrigerant leaks, cleans indoor coils, and provides system maintenance. Detailed service helps protect airflow, temperature control, and overall system performance.

Two technicians inspecting a large HVAC unit in a clean mechanical room with silver ducts overhead

Commercial HVAC Services

Heating and cooling support for Brooklyn businesses.


Commercial HVAC equipment requires consistent maintenance and accurate troubleshooting to keep employees, customers, and building occupants comfortable. Services include preventive maintenance, rooftop and packaged-unit service, electrical-control diagnostics, and commercial heating and cooling repairs. Same-day emergency service is available for urgent commercial HVAC problems, subject to scheduling.

Technician testing electrical control panel with multimeter, wearing gloves in a utility cabinet

Electrical & HVAC Controls

Accurate repairs for the components behind system performance.


Electrical controls coordinate how heating and cooling equipment starts, operates, and responds to temperature changes. Room Temp Mechanical HVAC LLC services thermostats, contactors, relays, capacitors, transformers, motors, control boards, switches, and high- or low-voltage wiring. Careful troubleshooting helps isolate failed components and restore reliable system control.

Technician inspecting wall-mounted boiler and pipes in a utility room

Gas Boiler Services

Dependable care for gas, steam, and hydronic heating.


Room Temp Mechanical HVAC LLC maintains gas boiler systems and services essential parts such as thermocouples, gas valves, spark-control modules, pressuretrols, vent dampers, relays, and temperature switches. Service is available for steam-pressure and hydronic heating systems, flue components, and compatible Wi-Fi thermostats. Yearly service contracts help customers stay ahead of seasonal heating needs.

Technician inspecting a boiler and heating system in a basement utility room

HVAC Maintenance Services

Seasonal care that helps prevent comfort interruptions.


Preventive maintenance gives heating and cooling equipment the attention it needs before peak-season demand. Room Temp Mechanical HVAC LLC provides seasonal inspections, diagnostic service, equipment cleaning, and system tune-ups. Maintenance can help identify worn components, airflow concerns, and performance problems before they lead to larger repairs.

Technician kneels beside a boiler, repairing equipment with tools spread on a mat.

Oil Boiler Systems

Thorough maintenance for reliable oil heating.


Oil boiler service includes oil-filter replacement, nozzle and strainer service, burner installation, pressuretrol work, preventive maintenance, and tune-ups. Room Temp Mechanical HVAC LLC also services low-water cutoff controls, water feeders, cad cells, transformers, and control relays across compatible equipment brands. Detailed maintenance supports cleaner operation and dependable seasonal heating.

Technician kneels beside a water heater, inspecting pipes in a utility room.

Hot Water Tanks

Component service for reliable hot-water performance.


Room Temp Mechanical HVAC LLC services essential hot-water tank components, including pilot assemblies, gas valves, anode rods, and Extrol expansion tanks rated up to 60 PSI. Correctly functioning components help the system heat and manage water safely and consistently. Diagnostic service can determine which component requires attention.