Heating, Cooling, Plumbing & Electrical Services in Mercer Island, WA
Nestled between the shimmering waters of Lake Washington and Lake Sammamish, Mercer Island is a community that values home comfort, safety, and efficiency. For residents here, dependable heating, cooling, plumbing, and electrical services aren’t just conveniences—they’re vital to maintaining the peaceful, comfortable lifestyles this scenic island offers. Since 1976, Gene Johnson Plumbing & Heating has been proud to serve Mercer Island families with honest, expert care, becoming a trusted partner dedicated to keeping homes running smoothly year-round.
A Legacy of Local Expertise and Heartfelt Service
Our story began nearly five decades ago, rooted in family values and a commitment to quality craftsmanship. We understand Mercer Island’s unique blend of older homes and modern builds, so every service we provide is tailored with local conditions and your home’s specific needs in mind. Our technicians aren’t just skilled tradespeople — they’re your neighbors. Friendly, respectful, and knowledgeable, they listen closely and explain every step so you feel confident about the solutions we recommend.
Every job is an opportunity to extend the life of your home’s critical systems. Whether tuning up your furnace before winter or swapping out fixtures for better efficiency, we take pride in doing work that lasts and truly makes a difference in your daily comfort. Transparent pricing and respectful communication make us an easy choice for Mercer Island homeowners who want trustworthy, no-nonsense service.
Complete Comfort Solutions Under One Roof
Gene Johnson Plumbing & Heating offers a full suite of services that keep your home cozy, cool, and safe in all seasons:
- Heating Services: From furnace tune-ups to heat pump installations, our team ensures your heating system runs efficiently and reliably when the cold sets in.
- Cooling Services: We handle air conditioner repairs, maintenance, and smart thermostat installations, so your home stays refreshingly cool during the occasional Pacific Northwest heatwave.
- Plumbing Services: From leak detection and drain cleaning to water heater installs and sewer line repairs, our plumbing experts keep your water flowing and fixtures performing their best.
- Electrical Services: Electrical panel upgrades, interior and exterior lighting, surge protection, and EV charging station installations — all done safely and to code.
We pride ourselves on going beyond repairs. Our technicians help spot potential issues before they grow, offering tips and service plans to protect your investment and reduce costly surprises.
Plumbing Services That Protect and Perform
Water problems can quickly disrupt household routines and cause costly damage. Mercer Island’s blend of aging infrastructure and modern builds needs a plumbing partner who knows how to navigate it all. From minor drip repairs to full pipe replacements, Gene Johnson Plumbing & Heating handles it promptly and professionally.
Here’s the full list of services our expert Mercer Island plumbers can assist you with:
- Leak detection
- Leak Repair
- Burst or frozen pipes
- Drain cleaning
- French drains
- Sewer hook-ups
- Sewer line inspection
- Sewer line repair
- Hydrojetting
- Water heater services (tankless included)
- Sewer replacement
- Fixture installation (faucets, toilets, sinks, you name it)
- Repiping
- Water line repair and installation
- Gas line services
- Emergency plumbing
Whether you’re dealing with aging pipes, stubborn clogs, or sudden leaks, having a skilled plumbing team makes all the difference. We help protect your home, your water lines, and your peace of mind with solutions built to last.
Heating Tailored to Mercer Island’s Climate
Mercer Island winters are damp and chilly, requiring heating systems that can deliver consistent warmth without breaking the bank. That’s why regular furnace maintenance is essential — ensuring clean burners, properly tuned components, and efficient fuel use. This care extends your system’s life and keeps energy bills manageable.
Here’s our full list of heating services in Mercer Island:
- Furnace repair
- Furnace installation
- Furnace maintenance
- Heat pump repair
- Heat pump installation
- Heat pump maintenance
- Ductless mini splits (install, repair, maintenance)
- Radiant heating
With the right heating support, your home stays comfortable no matter how damp or chilly the season gets. Our team keeps your equipment reliable, efficient, and ready for winter, giving you steady warmth and fewer surprises along the way.
Cooling with Comfort and Confidence
While our summers tend to be mild, occasional warm spells make a dependable cooling system a luxury worth investing in. We install and repair central air conditioners, helping your system run quietly and effectively.
- Air conditioning installation
- Air conditioning repair
- Air conditioning maintenance
- Heat pump services (repair, installation, and maintenance)
- Smart thermostat installation
- Ductless systems
- Indoor air quality solutions
A dependable cooling system makes warm spells easy to handle, and our experts ensure yours is always prepared. From fine-tuning to full replacements, we keep your home breezy, comfortable, and efficient whenever the temperatures rise.
Electrical Safety and Modern Convenience
Electrical systems are the backbone of modern living — powering everything in your home from everyday electronics to life-saving appliances. We help Mercer Island residents keep their systems up to date and safe with electrical panel upgrades, preventing overloads that can lead to outages or hazards.
If you’re in need of professional electrical services in Mercer Island, here’s what you can expect from our experts:
- Electrical panel upgrades
- Interior lighting
- Exterior lighting
- Whole home surge protection
- Backup generators
- EV charger installation
- Electrical troubleshooting
- Electrical installations
Safe, modern electrical systems keep your home running smoothly day and night. From upgrades to troubleshooting, our licensed electricians deliver dependable results that protect your property and support every device and system you rely on.
Why Mercer Island Chooses Gene Johnson Plumbing & Heating
What truly sets us apart is our local focus and holistic approach. We know Mercer Island homes intimately — their quirks, challenges, and history — and that makes all the difference in delivering lasting solutions.
- Responsive, friendly technicians who arrive on-time and get the job done right.
- Honest upfront pricing with no surprises, so you can budget confidently.
- Extended warranties and service plans designed to keep your systems running smoothly year-round.
- A commitment to ongoing education, empowering you to care for your home and plan wisely.
We take the stress out of home repairs and maintenance, making it easy to enjoy the comfort and convenience you deserve.
Become Part of the Gene Johnson Family
Imagine living in a home where your heating system purrs through winter’s chill, your cooling keeps summer heat at bay, plumbing flows flawlessly, and your electrical setup is safe and modern. That’s what we build for every Mercer Island customer — one visit at a time.
Join Gene’s Club to access exclusive benefits, including:
- Annual furnace tune-ups
- Discounts on HVAC repairs and equipment replacements
- Priority scheduling and waived dispatch fees
- Warranty coverage that gives you peace of mind
There’s never been a better time to partner with Mercer Island’s trusted home comfort experts. When you want service that’s thorough, reliable, and personal, call Gene Johnson Plumbing & Heating. We also serve the neighboring cities and communities, including Bellevue, Kirkland, Bothell, Lake Forest Park, Shoreline, all the way to West Seattle, and beyond. Let’s keep your home comfortable, safe, and efficient — just as it should be.
Ready to experience the Gene Johnson difference? Reach out today and discover why your neighbors have trusted us for nearly 50 years. Your home comfort is our priority, and we’re here whenever you need us.
