Contractor team on job site

What We Do

Our Services

Full-scope mechanical contracting for residential, multi-family, and commercial projects across Greater Boston and Massachusetts.

Plumbing & Gas Piping
Service 01

Plumbing & Gas Piping

Complete plumbing and gas systems for new construction, renovations, and repairs.

Thai Thanh Company Inc. provides full-service plumbing and gas piping for residential, multi-family, and commercial projects throughout Greater Boston and Massachusetts. From new construction rough-in and finish work to gas line installation and repairs, our licensed plumbers and gas fitters deliver code-compliant results on every job.

  • New construction rough-in & finish plumbing
  • Fixture installation & replacement
  • Plumbing repairs & leak detection
  • Drain cleaning & sewer line service
  • Backflow prevention & testing
  • New gas line installation
  • Appliance connection & hook-up
  • Gas line extension & rerouting
  • Pressure testing & leak detection
  • Commercial kitchen gas piping
  • Code inspections & permitting
  • Commercial & multi-family plumbing systems
Request a Plumbing Quote
Heating & Air Conditioning
Service 02

Heating & Air Conditioning

Year-round comfort, engineered for reliability.

We design, install, and service complete HVAC systems for homes and commercial buildings. From heating and cooling systems to furnaces, boilers, air conditioning, and equipment replacement — our team handles new construction HVAC and retrofit projects of all sizes.

  • Heating & cooling system installation
  • Furnace installation & service
  • Air conditioning systems
  • Boiler installation & service
  • Hydronic heating systems
  • HVAC equipment replacement & upgrades
  • New construction HVAC
Request an HVAC Quote
Heat Pumps & Mini-Splits
Service 03

Heat Pumps & Mini-Splits

Energy-efficient heating and cooling for every space.

Heat pumps and ductless mini-split systems offer highly efficient heating and cooling with flexible installation options. We size, install, and commission systems that maximize comfort and minimize energy costs for homes and commercial spaces — including cold-climate systems designed for New England winters.

  • Air-source heat pump installation
  • Ductless mini-split systems
  • Multi-zone mini-split configurations
  • Cold-climate heat pump systems
  • System sizing & load calculations
  • Residential & commercial applications
  • New construction & retrofit installs
Request a Heat Pump Quote
ERV & Ventilation Systems
Service 04

ERV & Ventilation Systems

Fresh air, efficient energy recovery, healthier buildings.

Energy recovery ventilators (ERV) and heat recovery ventilators (HRV) bring fresh outdoor air into a building while capturing heat or cooling energy from the exhaust air. We design and install whole-building ventilation systems that meet code requirements for new construction and retrofit projects.

  • Energy recovery ventilator (ERV) installation
  • Heat recovery ventilator (HRV) installation
  • Whole-building ventilation design
  • Balanced ventilation systems
  • Duct integration & commissioning
  • Kitchen & bathroom exhaust ventilation
  • Residential & commercial applications
Request a Ventilation Quote
Ductwork & Sheet Metal
Service 05

Ductwork & Sheet Metal

Precision-fabricated ductwork and sheet metal for every project.

Custom ductwork fabrication, installation, and balancing for new construction and retrofit projects. Our sheet metal work is fabricated to fit each job — ensuring proper airflow, system efficiency, and code compliance from the first run to the final balance.

  • Custom sheet metal duct fabrication
  • Ductwork installation & layout
  • Duct sealing & insulation
  • Air balancing & commissioning
  • Supply & return air distribution
  • Commercial ventilation ductwork
  • New construction & retrofit ductwork
Request a Ductwork Quote
Water Heaters & Heat Pump Water Heaters
Service 06

Water Heaters & Heat Pump Water Heaters

Efficient hot water solutions for every application.

We install and service all types of water heating equipment — from traditional tank and tankless water heaters to high-efficiency heat pump water heaters. Heat pump water heaters use the same technology as air-source heat pumps to deliver hot water at significantly lower operating costs than conventional electric units.

  • Tank water heater installation & replacement
  • Tankless (on-demand) water heaters
  • Heat pump water heater installation
  • Gas & electric water heaters
  • Commercial water heating systems
  • Water heater sizing & selection
  • Residential & multi-family applications
Request a Water Heater Quote
New Construction & Renovations
Service 07

New Construction & Renovations

Full mechanical scope from ground up to final inspection.

Thai Thanh Company Inc. handles the complete mechanical scope on new construction and renovation projects — residential, multi-family, and commercial. We work from permit drawings through rough-in, trim-out, and final inspection, coordinating closely with general contractors and other trades to keep projects on schedule.

  • Full mechanical scope coordination
  • Plumbing rough-in & finish
  • HVAC rough-in & equipment installation
  • Gas piping & pressure testing
  • Ductwork fabrication & installation
  • Permit applications & inspections
  • GC coordination through all phases
Request a New Construction Quote
Commercial & Multi-Family Mechanical Systems
Service 08

Commercial & Multi-Family Mechanical Systems

Full-scope mechanical for commercial and multi-family projects.

Thai Thanh Company Inc. delivers complete mechanical systems for commercial buildings, apartment complexes, and multi-family developments. We handle full-scope plumbing, HVAC, gas piping, and ventilation from rough-in through commissioning, coordinating closely with general contractors and other trades.

  • Commercial plumbing systems
  • Multi-family mechanical rough-in
  • Commercial HVAC installation
  • Gas piping for commercial kitchens
  • Rooftop unit installation
  • Mechanical room design & build-out
  • GC coordination & project management
Request a Commercial Quote

Ready to Start Your Project?

Contact us for a free, no-obligation estimate. We serve residential, multi-family, and commercial clients throughout Greater Boston and Massachusetts.