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Claim This BusinessLH Construction has earned a flawless 5-star average across 23 reviews in Fullerton, CA. Available every hour of every day including weekends, the company has built its reputation serving Orange County homeowners who demand reliability for critical systems and major remodels alike. Whether it is a first-time buyer inheriting a fixer-upper in Fullerton or a longtime resident refreshing a kitchen in a neighboring Anaheim neighborhood, LH Construction fields crews that arrive on schedule and communicate clearly through every phase of the work. A shared theme across recent reviews is respect for the homeowner is time, with workers explaining the plan before touching a wall or disconnecting a duct.
What distinguishes LH Construction from other Fullerton contractors goes beyond round-the-clock scheduling. Across multiple reviews, customers specifically note the crews left work areas clean at the end of each day, a detail that separates professional operations from casual handymen. The company manages both new installations and older-system replacements, giving homeowners a single point of contact from initial assessment through final inspection rather than juggling multiple subcontractors. This end-to-end accountability means one team signs off on the finished work, eliminating the finger-pointing that frustrates homeowners when projects stall or systems underperform.
A recent Fullerton homeowner described the experience of getting an HVAC replacement handled as a seamless process despite the complexity of routing new ductwork through an existing attic. The crew arrived when scheduled, worked methodically, and the new unit ran smoothly on first startup. Another reviewer noted that LH Construction transformed a recently purchased fixer-upper over several weeks, coordinating framing, electrical updates, and finish work while keeping the client informed of daily progress. These are the scenarios that generate five-star ratings and word-of-mouth referrals in a city where summer temperatures push cooling systems hard and buyers frequently discover that previous owners deferred maintenance for years.
All 23 reviewers award 5 stars, with 6 specifically praising the crews for maintaining a spotless work area throughout multi-day projects. Randy Johnson highlights HVAC expertise, while Karina Soto names the responsive communication as decisive for a whole-home remodel. Negative sentiment does not appear in any review.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Complete heating and cooling system installs for homes throughout Fullerton and surrounding Orange County communities.
Kitchen, bathroom, and whole-home remodels managed from planning through final inspection by a single accountable crew.
New additions, structural modifications, and renovation projects handled with in-house crews rather than outsourced subcontractors.
Seasonal tune-ups and performance checks designed to extend equipment life and reduce emergency failures during peak summer heat.
Round-the-clock response for sudden HVAC failures or urgent construction issues, available every day of the week.