Serving Greater Boston & Massachusetts
Trusted Plumbing & HVAC Experts
Plumbing • HVAC • Heat Pumps • Mini-Splits • ERV & Ventilation • Ductwork • Water Heaters • New Construction & Renovations
What We Do
Comprehensive Mechanical Services
Plumbing & Gas Piping
Full-service plumbing and gas piping for new construction, renovations, and repairs. We handle rough-in and finish plumbing, fixture installation, drain and sewer work, backflow prevention, new gas line installation, appliance connections, pressure testing, and code inspections.
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Heating & Air Conditioning
Complete HVAC system design, installation, and service — including heating and cooling systems, furnaces, air conditioning, equipment replacement, and new construction HVAC for all project types.
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Heat Pumps & Mini Splits
Energy-efficient heat pump and ductless mini split systems for homes and commercial spaces. We size, install, and commission systems that maximize comfort and minimize operating costs.
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Ductwork & Ventilation
Custom ductwork fabrication, installation, and balancing. Includes ERV systems, ventilation design, and code-compliant airflow solutions for new construction and retrofit projects.
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ERV & Ventilation Systems
Energy recovery ventilators (ERV) and heat recovery ventilators (HRV) improve indoor air quality while reducing energy loss. We design and install whole-building ventilation systems for new construction and retrofit projects.
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Water Heaters & Heat Pump Water Heaters
From traditional tank and tankless water heaters to high-efficiency heat pump water heaters, we install and service all types for residential and commercial applications. Upgrade to a heat pump water heater and cut water heating costs significantly.
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New Construction & Renovations
Full mechanical scope for new construction and renovation projects — residential, multi-family, and commercial. We coordinate with general contractors through every phase of the project.
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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.
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Built on Precision. Backed by Experience.
Quality Workmanship
We follow manufacturer specs, local codes, and industry best practices on every job. Every installation is built to perform and last.
Dependable Service
We show up when we say we will, communicate clearly, and get the job done right. Homeowners, developers, and general contractors count on us to deliver.
Residential, Multi-Family & Commercial Experience
We work across all project types — single-family homes, multi-family developments, and commercial buildings — bringing the same level of care and coordination to every scope.
Professional Coordination
On multi-trade and new construction projects, we coordinate closely with general contractors and other trades to keep schedules on track and work moving.
Get in Touch
Ready to Get Started?
Contact Thai Thanh Company Inc. today for a free, no-obligation estimate on your plumbing or HVAC project.
459 Princeton Rd, Fitchburg, MA · Serving Greater Boston & Massachusetts