Brennan Heating, Air Conditioning, & Electric
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About Brennan Heating, Air Conditioning, & Electric
Brennan Heating, Air Conditioning, & Electric maintains a 4.6-star rating compiled from 2,240 client reviews in the Seattle metro area. The company operates Monday through Friday from 8 AM to 5 PM, offering residential heating, cooling, electrical, plumbing, and indoor air quality services. Multiple reviewers specifically mention same-day response during heating emergencies on the coldest days of the year, reflecting the company's commitment to regional homeowners facing Pacific Northwest winter demands.
What distinguishes this contractor is the breadth of trades under one service agreement. The company handles heating and cooling alongside full electrical services including standby generators, EV chargers, and panel upgrades, plus plumbing work such as water heater installation and leak detection. They offer Aeroseal duct sealing for efficiency improvements, maintain a filter subscription program, and provide financing options. Their website references Inflation Reduction Act rebates, suggesting familiarity with current federal energy incentive programs for heat pump installations.
Reviewers have shared specific technician experiences that illustrate the company's service approach.Daniel performed a furnace tune-up, documented worn components with photographs, secured approval before replacing parts, and confirmed the system's operational status upon completion. Ibs arrived same-day during an extreme cold snap, diagnosed the issue clearly, and restored heat before evening. A detailed negative review from 2024 describes a dispute over a 2014 mini-split installation involving grounding details and replacement pricing.
What Customers Say
Across hundreds of reviews, customers frequently reference technicians arriving on schedule and clearly explaining repair costs before beginning work. Same-day emergency service appears repeatedly in five-star reviews during temperature crises. Negative reviews focus on pricing disputes for equipment replacement rather than repair quality or professionalism.
Working Hours
| SundayToday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Services
Heating Repair & Maintenance
Diagnostic services, tune-ups, component replacement, and efficiency restoration for furnaces and heating systems.
Heat Pump Installation
Central heat pump systems for year-round heating and cooling, including potentialIREBATE eligibility.
Ductless Mini-Split Systems
Individual room mounting units with remote controls for supplemental heating and cooling without ductwork.
AC Repair & Maintenance
Cooling system diagnostics, refrigerant handling, tune-ups, and compressor repair services.
Standby Generator Installation
Whole-home automatic backup power systems installed outdoors, wired to the electrical panel for outage coverage.
Electrical Panel Upgrades
Panel capacity increases to accommodate modern appliances, EV chargers, or new HVAC equipment.
Water Heater Installation & Repair
Traditional and tankless water heater setup, including gas line connections and plumbing integration.
Air Duct Cleaning & Aeroseal Sealing
Interior duct sanitization and chemical sealing to reduce leakage and improve airflow throughout the home.