Trusted HVAC Experts in Lake Forest & South Orange County
Complete Climate Control Solutions
Energy-Efficient AC & Heating Installation
Upgrade your home with a modern system designed for Orange County heat. We specialize in high-efficiency Heat Pumps, Ductless Mini-Splits, and Central AC replacement.
Key Benefit: Reduce energy bills by up to 30%.
Fast 24/7 Repair Service
AC blowing warm air? Furnace acting up? Our technicians provide rapid diagnostics and reliable repairs for all makes and models. We carry parts to fix it fast.
Key Benefit: Same-day service available in Lake Forest & Irvine.
The Maksbuilder Comfort Club
Prevent unexpected breakdowns and extend the life of your equipment. Our comprehensive tune-up plans ensure your system runs safely and efficiently year-round.
Key Benefit: Members get Priority Service & 15% Off Repairs.
Why Orange County Neighbors Choose Maksbuilder
We bring Engineering Precision to Home Comfort.
- Precision Sizing (Manual J): We don’t guess. We perform accurate load calculations to ensure your unit is perfectly sized for your home’s square footage and layout.
- Licensed & Compliant: CA License #1095368. We handle all Title 24 energy calculations and permitting so you don’t have to worry.
- Local & Owner-Operated: Founded in Lake Forest, we treat every client like a neighbor, not a number.
- No-Surprise Pricing: You get a detailed quote before we start. No hidden fees, no upselling.
We have been transforming the ideas and visions into beautiful projects.
Get Comfortable Now, Pay Later
Don’t let upfront costs delay your comfort. Maksbuilder partners with top lenders to offer flexible payment plans for any budget.
- 0% Interest for up to 6 Months (via Synchrony).
- Low Monthly Payments for Heat Pump Upgrades (via GoGreen Financing).
- Instant Approvals with no impact to credit score (via Wisetack).
Proudly Serving South Orange County
Based in Lake Forest, we provide rapid response times to our immediate neighbors.
- Lake Forest
- Irvine
- Mission Viejo
- Aliso Viejo
- Laguna Hills
- Laguna Woods
- Rancho Santa Margarita