Energy-Efficient Home Improvement · CSLB #1080957

A cooler home and lower energy bills.

Energy-efficient HVAC, windows, attic insulation and radiant barrier, plus roofing, paint and landscaping, from one licensed local contractor.

Energy-Efficient UpgradesLicensed, Bonded & InsuredFree QuotesServing LA & Orange County
Energy-Saving Upgrades

Keep the heat out and the savings in.

These four work together: a well-sealed, well-insulated home lets a right-sized AC do less work, so you stay comfortable and pay less.

Outdoor air conditioning unit beside a home

Heating & Air (HVAC)

High-efficiency AC, heat pump and furnace installs, sized right for your home so it uses less energy to stay comfortable.

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Bright living room with large picture windows

Energy-Efficient Windows

Dual-pane replacement windows that cut outside noise, block heat and lower your energy bills.

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Installer fitting insulation between framing

Attic Insulation

New or topped-up insulation that keeps the heat out in summer and in during winter.

Get an insulation quote →
Foil radiant barrier in an attic

Radiant Barrier

Reflective foil under the roof deck that bounces back the sun's heat, so your attic and AC work less.

Get a radiant barrier quote →
Outside the Home

Roof, walls and yard, done right.

Exterior work that protects your home, with energy and water savings built in where it counts.

Aerial view of a home with a gray shingle roof

Roofing

Roof replacements and repairs, including lighter, sun-reflective "cool roof" options that help keep the attic cooler.

Get a roofing quote →
Freshly painted white homes with palm trees

Exterior Painting

Careful prep and quality paint, with light, heat-reflective color options that help your home stay cooler in the sun.

Get a painting quote →
Landscaped front yard

Landscaping

Drought-tolerant planting, efficient irrigation and shade trees that save water and help shade your home.

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Paver patio

Hardscape

Paver patios, walkways, retaining walls and driveways built to last and to tie the whole yard together.

Get a hardscape quote →
White vinyl privacy fence around a front lawn

Vinyl Fencing

Privacy, picket and pool fencing in low-maintenance vinyl, a clean look without regular repainting.

Get a fencing quote →
Covered front porch of an updated home

General Home Improvement

Repairs, upgrades and projects around the house that don't fit a box above. Ask us.

Tell us about your project →
Front porch of a freshly updated home
Why Lake House Builders

One team for an efficient home.

Energy savings come from the whole house working together: roof, attic, windows and AC. We handle all of it, so nothing gets missed and you have one point of contact.

Licensed, bonded and insured

California CSLB license #1080957, with a contractor's bond and workers' compensation insurance on file with the state.

Free quotes

Tell us about the job and we will get you a free quote, with contracts, plans and dates laid out up front.

Upgrades that pay you back

Windows, insulation, radiant barrier and efficient HVAC work together to lower your monthly bills.

Easy to pay

We accept credit cards, cash, Zelle and Venmo.

How It Works

From first call to final walkthrough.

Call or request a quote

Call, text or send the form and tell us what you need.

Get your quote

We review the job, answer your questions and send you a price.

We do the work

We schedule the job with you and get to work.

Final walkthrough

We walk the finished job with you and make sure you're happy.

Reviews

What homeowners say.

5.014 reviews on Yelp
★★★★★

“Lake House Builders has set the bar! After being scammed…”

Ashley B.3/12/2026 · Yelp
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★★★★★

“Amazing experience with Lake House Builders! I hired…”

Robert G.8/27/2025 · Yelp
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★★★★★

“Amazing team that had the work ethic, the vision and the…”

Rudy V.8/27/2025 · Yelp
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Free Quote

Let's talk about your home.

Send a few details and a photo if you have one. We'll get back to you with next steps.

Phone / WhatsApp
(818) 808-3787
Email
production@lakehousebuilders.org
Hours
Mon–Fri 8:00 am – 5:00 pm
Sat 10:00 am – 3:00 pm · Sun closed
Service area
Los Angeles and Orange County
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