When it comes to keeping your Los Angeles home warm and efficient, few systems perform better than a properly installed gas furnace. Whether you’re upgrading from an older model or replacing a worn‑out unit, understanding the installation process helps you get the most from your investment. At Air Plus HVAC, Inc., our licensed technicians size, install, and optimize systems to meet California’s strict safety and energy standards with engineering‑level detail and clear communication at every step. Thinking about a new furnace? Call 818‑507‑7978 or schedule professional installation to get started.
Why Choose a Gas Furnace for Your Home
Gas furnaces are popular in Los Angeles for their efficiency, reliability, and steady, even heat. Compared to many electric systems, gas furnaces heat air more quickly and are often more affordable to operate during cooler months. Today’s high‑efficiency models can support lower utility bills, consistent comfort, and improved indoor air quality when paired with the right filtration and ventilation. Because combustion is involved, always ensure proper ventilation and place carbon monoxide (CO) detectors near sleeping areas for added safety.
Need help choosing a model? Our comfort advisors can recommend options that match your home’s size, insulation, and budget.
The Gas Furnace Installation Process
A safe, efficient installation follows a clear sequence.
Load Calculation & System Sizing
We perform a room‑by‑room heating load assessment considering square footage, insulation levels, window type/orientation, air infiltration, and duct condition to right‑size the furnace. Proper sizing helps prevent short cycling, cold spots, and unnecessary energy use while supporting balanced airflow through your existing ductwork.
Equipment Selection
We pair your home with a furnace that matches your efficiency goals and comfort preferences, selecting the appropriate AFUE rating, staging (single, two‑stage, or modulating), and an efficient ECM blower. We also confirm compatibility with your thermostat and indoor air‑quality accessories so the system works as one.
Removal & Site Preparation
We safely decommission and remove the old unit, then inspect the platform, condensate routing, gas shutoff, electrical service, and clearances. Any deficiencies are addressed before installation so the new system starts on a solid foundation.
Ductwork & Venting
We evaluate your ductwork for leaks, damage, and sizing. When needed, we seal or modify sections to improve airflow and static pressure. Venting is updated per manufacturer instructions and local code confirming correct materials, termination locations, and adequate combustion air.
Gas & Electrical Connections
Licensed technicians connect gas and electrical lines, install the sediment trap/drip leg, and verify leak‑free joints with approved testing methods. We confirm proper circuit protection, grounding, and polarity so controls and safeties operate as designed.
Startup & Calibration
We verify combustion and manifold gas pressure, set blower speeds, and check temperature rise and total external static pressure to ensure the equipment is operating within nameplate specifications. Controls are calibrated and your thermostat is programmed for comfort and efficiency.
Final Safety & Performance Verification
We test for CO and gas leaks, verify flue draft or condensate drainage, and confirm that safety devices (limit switches, rollout) respond correctly. We document key readings, review filter sizes and maintenance steps with you, and answer any questions before we wrap up.
For your protection: Only licensed HVAC professionals should perform gas, venting, and electrical work. DIY attempts can create hazards including gas leaks or carbon monoxide exposure.
Benefits of Professional Furnace Installation
Professional installation delivers maximum efficiency, quieter operation, fewer breakdowns, and even temperatures across rooms. It also extends system life by reducing strain on components and ensuring ducts and controls are set up correctly from day one. Pair your new system with our Smart Care maintenance plan including a 21‑point inspection, biannual tune‑ups, service discounts, and priority scheduling to preserve performance and comfort year‑round.
How to Prepare for Installation Day
A little prep makes installation smoother and faster. Clear the area around the furnace and pathway for equipment access. Secure pets and move stored items away from the workspace. Check thermostat location and discuss any planned upgrades (e.g., smart controls). If you have known duct or airflow issues, let your technician know so we can address them during installation. Avoid handling or disconnecting any gas or electrical components before the team arrives.
FAQs: Gas Furnace Installation in Los Angeles, CA
How much does gas furnace installation cost in Los Angeles?
Typical installations range $3,000–$7,000, depending on system size, brand, and any duct/venting updates. High‑efficiency models may cost more upfront but can reduce energy use over time.
How long does installation take?
Most projects are completed in one day (4–8 hours). Complex jobs with duct or vent upgrades may take longer.
What size furnace do I need?
Correct sizing depends on square footage, insulation levels, layout, and duct condition. We perform a load calculation to avoid over‑ or under‑sizing.
Do gas furnaces require maintenance?
Yes, annual maintenance keeps your system safe and efficient. During tune‑ups, a qualified technician inspects gas lines, venting, burners, heat exchanger, and controls to prevent issues and maintain warranty coverage.
Is professional installation really necessary?
Absolutely. Improper installation can cause gas leaks, poor combustion, reduced efficiency, or premature failures. Licensed pros ensure your system is code‑compliant, leak‑tested, and optimized for performance.
Why Los Angeles Homeowners Choose Air Plus HVAC, Inc.
- Engineering expertise for precise sizing and code‑compliant installs
- Solution‑focused process that addresses root causes—not just symptoms
- Exceptional communication from first call to follow‑up
- Local pros serving Los Angeles, Burbank, Pasadena, West LA, Beverly Hills, Woodland Hills, Studio City, Van Nuys, Northridge, and more
Innovative Comfort, Engineered With Care. Ready for a new furnace? Call 818‑507‑7978 or Schedule Service now.
818-507-7978