When your heating system struggles to keep up with chilly Los Angeles nights, a planned heater replacement can restore comfort, reduce energy costs, and improve safety. Choosing when to replace and what to replace it with doesn’t have to be overwhelming. At Air Plus HVAC, Inc., our licensed, engineering‑informed team handles every detail from right‑sizing and removal to installation, calibration, and final safety checks so you enjoy consistent warmth and peace of mind. Have questions now? Call 818‑507‑7978 or Schedule Service.

Signs It’s Time to Replace Your Heater
Your system will usually signal decline before it fails. Uneven heating, frequent repairs, rising energy bills, strange noises, poor airflow, or excessive dust around vents can point to worn components or efficiency loss. If your heater short‑cycles (turns on/off frequently) or struggles to maintain temperature, it may be undersized, oversized, or nearing end of life. Most heaters last 10–15 years; beyond that, performance and safety can drop.
Safety First
If you ever smell gas, burning plastic, or smoke, turn the system off using the thermostat and electrical breaker, leave the area, and contact a licensed HVAC technician or your gas utility from a safe location. Avoid opening panels or attempting repairs yourself.
Concerned about performance? Book a replacement evaluation and we’ll provide clear, data‑driven options.
The Heater Replacement Process (What to Expect)
Replacing a heater is more than a swap, it’s a system upgrade designed for safe, efficient, and reliable operation.
In‑Home Assessment & Right‑Sizing
We perform a load calculation and evaluate insulation, duct condition, windows, and layout to select the correct capacity and staging (single, two‑stage, or modulating) for comfort and efficiency.
Equipment Selection & Options
We recommend models that meet your efficiency goals (AFUE), comfort preferences, and budget. We’ll discuss thermostat compatibility and indoor air quality add‑ons (filtration, ventilation, humidification) to create a cohesive system.
Removal & Site Preparation
We safely decommission and remove the old unit, verify platform stability and clearances, and correct any issues with gas shutoff, electrical service, condensate routing, or venting before installation.
Ductwork & Venting Improvements
We inspect for leaks, damage, undersized runs, and static pressure issues. When needed, we seal or modify duct sections and update venting to meet manufacturer instructions and California code for safe combustion and proper airflow.
Professional Installation & Connections
Licensed technicians connect gas and electrical lines, install a sediment trap/drip leg, and test all joints for leaks. We confirm proper circuit protection, grounding, and polarity so safeties and controls operate correctly.
Startup, Calibration & Verification
We verify combustion and manifold gas pressure, set blower speeds, and confirm temperature rise and total external static pressure are within nameplate specs. Finally, we test for CO and gas leaks, verify flue draft/condensate drainage, and confirm safety devices (limit and rollout switches) respond properly.
Homeowner Walkthrough
We review filter sizes, maintenance steps, thermostat settings, and warranty documentation, answering questions before we wrap up.
Benefits of Replacing Your Old Heater
A modern, professionally installed system delivers more consistent temperatures, quieter operation, and lower energy use often cutting heating costs 20–30% depending on the home and equipment. You’ll also gain improved indoor air quality and a reduced environmental footprint with equipment that aligns with California’s energy standards. Quality installation reduces wear, extends system life, and minimizes surprise breakdowns.
How to Choose the Right Replacement Heater
Selecting the right system depends on home size, insulation, ductwork, usage patterns, and local fuel costs.
- Gas Furnaces: Fast heat and strong efficiency; best for homes with existing gas lines and ductwork.
- Electric or Hybrid Systems: Excellent control and potential savings in certain scenarios; may pair well with heat pumps.
Check efficiency ratings (e.g., AFUE) and consider available rebates or incentives in your area. Always have a professional evaluation before purchase and installation to ensure proper sizing and code compliance.
How to Prepare for Installation Day
Clear a 3–4 ft path to the equipment area, remove stored items near the furnace, and secure pets. Share any known hot/cold rooms or airflow concerns so we can address duct issues during the visit. Avoid touching gas or electrical components before the crew arrives. If you’re planning a smart thermostat, mention it in advance for correct wiring and setup.
FAQs: Heater Replacement in Los Angeles, CA
How much does heater replacement cost?
Most replacements range $3,000–$8,000, depending on system type, brand, efficiency, home size, and any duct/vent upgrades.
How long does replacement take?
Typical projects finish in one day (4–8 hours); complex duct or vent work can extend the timeline.
Should I repair or replace my old heater?
If your system is 10+ years old, needs frequent repairs, or no longer heats evenly, replacement is often more cost‑effective and reliable.
Will a new heater improve indoor air quality?
Yes—newer systems, when paired with proper filtration/ventilation and sealed ducts, can reduce dust and help maintain healthier air.
Do new heaters require maintenance?
Yes. Annual maintenance keeps your system safe and efficient and helps maintain manufacturer warranty coverage. Our Smart Care plan includes a 21‑point inspection, biannual tune‑ups, service discounts, and priority scheduling.
Why Los Angeles Homeowners Choose Air Plus HVAC, Inc.
Air Plus HVAC, Inc. offers engineering expertise for precise sizing and code‑compliant installs, delivers solution‑focused recommendations tailored to your home and budget, and provides exceptional communication from the first call through follow‑up—with 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 to replace your heater? Call 818‑507‑7978 or Schedule Service now.