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Claim This BusinessMarr's Heating, AC, Plumbing & Electrical has earned a 4.9-star rating across 1855 verified reviews in Bellingham, establishing itself as Whatcom County's most-reviewed climate solutions provider. The multi-trade contractor operates around the clock, every day of the week, serving residential clients throughout Bellingham and nearby communities including Ferndale and Lynden. Founded locally with Washington state licensing, the company fields separate crews for heating, cooling, plumbing and electrical work, allowing technicians to arrive with specialized tools for each trade rather than generalists attempting multiple systems.
What distinguishes Marr's from regional competitors is their multi-system integration capability. Unlike contractors who replace one piece of equipment at a time, their projects routinely combine furnace replacements with heat pump add-ons, tankless water heater installations, and duct sealing, a scope that requires coordinating across heating and cooling divisions. The company maintains 24-hour emergency availability, a practical necessity for Bellingham winters when furnace failures demand same-day response. Their maintenance program offers scheduled inspections at predictable pricing, removing the uncertainty that accompanies reactive repairs.
Customer stories from the past year illustrate the team's consistency. Nathan replaced a 22-year-old furnace and 18 months later returned to install a tankless water heater and heat pump, with different technicians handling each phase, reviewer Erich credits every crew member as friendly and professional. Nancy's review names Phil spending one hour each on her heat pump and gas fireplace, disassembling the fireplace completely for cleaning. Darin's installation of a new furnace and AC system was handled by Jacob and Wyatt, who arrived on time and explained the system operation clearly. These named references span different seasons and different crews, suggesting the company has sustained quality across its workforce.
1855 reviews with a 4.9 average yield 1,774 five-star ratings. Named technicians appear across positive reviews: Phil (heat pump and fireplace), Jacob and Wyatt (furnace and AC install), Aaron and Rowan (unfinished review). Emergency availability and same-day service receive multiple mentions, with reviewers citing 24-hour response rather than limited business hours.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
New furnace installation for aging or failing units, with professional sizing and efficiency matching to existing ductwork.
Heat pump installs including add-on integration with existing furnaces, seasonal maintenance, and component-level diagnostics.
Professional ductwork cleaning and sealing to improve airflow efficiency and indoor air quality.
Replacement of traditional tank heaters with tankless units for on-demand hot water and reduced energy use.
New air conditioning system installation, with coordinated furnace projects for complete climate control.
Comprehensive gas fireplace inspection, cleaning, and repair including full disassembly for deep service.
Water heater services and related plumbing repairs for residential properties.
Electrical work associated with HVAC system installations and upgrades.