Endless
Hot Water.
Premium Performance.
Professional tankless water heater installation and plumbing optimization services designed to deliver endless hot water and maximize energy efficiency throughout Contra Costa County.
Four Steps.
Endless Hot Water.
Tankless water heaters require precise sizing and expert installation. Before we install your new unit, we evaluate your home’s hot water demands, calculate proper GPM requirements, and plan venting and gas line routing—ensuring maximum performance and reliability.
Home Assessment
Evaluate peak hot water demand and current usage to design the ideal tankless system layout for your household.
Custom Sizing
Select properly-sized tankless unit for your home’s GPM needs, ensuring continuous hot water across all fixtures.
Expert Install
Install new tankless unit with proper venting, gas line routing, and water connections by certified professionals.
Performance Test
Verify water temperature stability, flow rates, and system efficiency so you enjoy endless hot water from day one.
Engineered tankless installation.
A tankless unit only performs as well as its installation — proper sizing, venting, and gas supply decide whether you get endless hot water or callbacks. We engineer every install to manufacturer specification and California code.
Right-Size Load Calculation
High-durability insulated flexible and rigid metal ducts designed to withstand attic temperatures and prevent tears or sagging.
Stainless Venting, Sealed Right
Industrial-grade mastic sealant and reinforced foil tape applied to every joint and connection to eliminate conditioned air loss.
Gas Line Sizing & Upgrades
Thick fiberglass thermal insulation blankets wrapped around all duct runs to prevent heat transfer in scorching attic environments.
Isolation Valves & Flush Kit
Properly sized duct diameters and trunk lines engineered to deliver balanced airflow to every room without straining your HVAC unit.
Clean, Compact Mounting
Eliminating sharp bends and kinks in your duct runs to reduce static pressure and maximize blower efficiency throughout the house.
Flow & Temperature Testing
Every unit is commissioned before we leave: gas pressure verified, flow tested at each fixture, and temperature stability confirmed under multi-tap load.
Excellence in every installation.
We combine expert tankless water heater sizing with certified technician installation and premium brand partnerships to ensure your system operates at peak efficiency year-round.
HVAC Certified
HVAC Excellence
advanced heating system integration
Navien Certified
Navien Authorized
authorized installer
Insured & Bonded
California Contractors State Board
California Contractors State Board
Gas Line Certified
Gas Safety Board
proper gas installation standards
Safety Certified
OSHA Compliance Group
OSHA compliance
Quality Assured
Green Living Standards
Green Living Standards
Local Success.
Trusted by homeowners across Contra Costa County for tankless water heater installation and repair.
I always dreamed of a sunroom, and now it’s my favorite place in the house. The large windows bring in so much light, and the design blends seamlessly with the rest of the home. I love how they made it feel like it was always part of the original house.
Our gas bills dropped noticeably right away. The compact tankless unit freed up so much garage space and heats water instantly.
No more bulky tank or running out of hot water during family visits. Clean plumbing crew, fast installation, and flawless hot water delivery.
Their plumbing team configured our high-flow tankless system with precision. Professional venting, neat copper piping, and absolute reliability.
Endless hot water on demand has completely changed our morning routine. The technicians were knowledgeable, tidy, and extremely respectful.
We had a vision of building a guest house for family and friends, and the team made it happen. They helped design something that’s both compact and comfortable, with its own little kitchenette and bath.
Clear /
Insights.
Common questions about tankless water heater installation and repair, answered clearly. If you need more details, we are just a phone call away.
How much does a tankless water heater installation cost?
How long does a tankless water heater installation take?
Do you pull all necessary local permits?
What maintenance does a tankless water heater require?
Which brand of tankless water heaters do you install?
What warranties come with your tankless water heater services?
Are your technicians certified and insured?
Do you service all of Contra Costa County?
How much energy will I save by switching to tankless?
How do I schedule a consultation or get started?
Tankless Water Heater Installation in Contra Costa County, CA
Schedule Your Free Tankless Water Heater Consultation
Submit your details and our Contra Costa experts will contact you within one hour. We provide professional tankless water heater installation and repair services to keep your home supplied with endless hot water year-round.
Have Ready
- Current water heater type
- Peak hot water demand
- Gas line location
- Preferred installation time
Our Recent Work
Photos from real tankless water heater jobs completed by the Green Living Remodeling crew. We serve homeowners across the Bay Area and throughout the East Bay.
Tankless water heater mounted with new copper supply lines 
Tankless unit installed in an exterior utility closet 
Completed install with isolation valves and condensate drain 
Navien condensing tankless unit with copper gas and water runs 
Wall-mounted tankless heater with venting and service valves 
Tankless unit fitted into a tight utility alcove
- EstablishedServing homeowners since 2021
- InsuredFully Insured & Bonded
- 4.9 ★71 Google Reviews
- Warranty1-Year Workmanship Warranty
- LocalServing the Bay Area
What Our Customers Say
- ★★★★★
Thank you Simon and crew for the excellent work done in my Kitchen. I'm beyond happy and satisfied with you guys. You have accomplished what my Dream Kitchen has been for so many years and I'm so happy that I get to live on it and enjoy it everyday.
- ★★★★★
Simon did a very good job removing my insulation and replace with new one. He did it very timely and l enjoy the communication with him from beginning to end. I recommend him and will find him do other jobs.
- ★★★★★
Thank you so much Shimon for taking care of our attic clean up and new duct work! We appreciate it so much!!
- ★★★★★
Came on time and gave me a good quote.
- ★★★★★
We got our attic cleaned and insulation replaced by Simon. He is good at his work, courteous and professional. We recommend his attic services.
- ★★★★★
Shiloh remodel my all kitchen him and his group did amazing service and fair price