Make-Up Air Unit Installation & Service — Vancouver Island
Make-up air units are among the most critical — and most overlooked — mechanical systems in commercial buildings. When a MUA fails, the consequences extend well beyond discomfort: negative building pressurization, combustion appliance backdrafting, indoor air quality failures, and serious health and safety implications. Foster Heating & Cooling’s Red Seal certified technicians provide Vancouver Island’s commercial buildings with expert MUA installation, maintenance, and emergency service.
MUA is part of our complete mechanical scope. When Foster is your mechanical contractor, make-up air is one call among many — not a separate coordination challenge. HVAC, boilers, hydronics, fans, MUA units — one team, one contract, one accountable partner.
Why Commercial Clients Choose Foster for Make-Up Air
- 40+ Red Seal certified technicians with commercial MUA installation and service experience
- Licensed A-Gas fitters for gas-fired MUA units
- Experience with restaurant, retail, industrial, and institutional MUA applications
- Preventive maintenance programs to protect building safety and tenant comfort
- 24/7 emergency service — MUA failures affect the entire building
- Complete mechanical scope — MUA plus HVAC, boilers, hydronics, and all ancillary equipment
Our Make-Up Air Services
MUA Unit Installation
Supply and installation of commercial make-up air units for new construction and retrofit applications. Gas-fired, electric, and heat pump MUA platforms for restaurants, retail, industrial, and institutional buildings. We work alongside engineers and building officials to ensure correct sizing, installation, and commissioning to code.
MUA Service & Repair
Diagnostic and repair service for all commercial MUA equipment. Gas burner service, heat exchanger inspection, motor and belt service, controls repair, damper actuator replacement, and refrigerant circuit service on DX cooling sections.
Restaurant & Commercial Kitchen MUA
Specialized experience with restaurant and commercial kitchen make-up air — the most demanding MUA application. Correct MUA sizing and balancing relative to exhaust hood capacity is critical for kitchen comfort, fire suppression performance, and gas appliance safety. Our team understands the unique requirements of food service environments.
MUA Preventive Maintenance
Seasonal maintenance programs covering gas burner inspection and tuning, heat exchanger inspection, belt and bearing service, filter changes, damper inspection, and controls verification. Protects building safety, extends equipment life, and maintains code compliance.
MUA Controls & Building Automation
Controls upgrades, demand-controlled ventilation integration, and building automation system connection for improved energy efficiency and indoor air quality management.
24/7 Emergency MUA Response
Round-the-clock emergency service for make-up air failures. MUA failures can render a commercial kitchen inoperable or create unsafe building conditions — we respond immediately.
