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Top Boiler Installation & Replacement Contractors in Long Beach, California Ranked

Upgrading your home's heating system with a new boiler installation or replacement is a significant investment in comfort, efficiency, and safety. For Long Beach residents, this process involves navigating specific local permits, adhering to strict California energy codes, and choosing the right system for our mild coastal climate. This guide will help you understand the types of boilers available, the local regulatory landscape, and the costs involved, empowering you to make an informed decision and connect with qualified local professionals.

Comfort Time Plumbing Heating & Cooling

Comfort Time Plumbing Heating & Cooling

8038 Freestone Ave, Santa Fe Springs, CA 90670

Comfort Time Plumbing Heating & Cooling is a family-owned company based in Los Angeles, CA, providing comprehensive HVAC and plumbing services for homes and businesses. They specialize in the repair and installation of air conditioning, furnaces, heat pumps, boilers, mini splits, and commercial refrigeration systems. Comfort Time Plumbing Heating & Cooling offers same-day service and uses advanced techniques such as trenchless sewer line replacement to address plumbing issues efficiently. Since 2008, they have served the local community with trained technicians who maintain up-to-date certifications and prioritize respect for customers' homes.

5.0
739 Reviews
All City Plumbing, Air & Electrical

All City Plumbing, Air & Electrical

221 Allen Ave, Glendale, CA 91201

All City Plumbing, Air & Electrical is a family-owned business serving Los Angeles, CA, and nearby areas with plumbing, heating, air conditioning, and electrical services. Their team handles a wide range of HVAC needs including furnace, heat pump, boiler, and mini split installation and repair, as well as indoor air quality and thermostat services. The company is known for its ACE-certified technicians and offers comprehensive capabilities such as hydro-jetting and whole house filtration system installation. With over 13 years of experience, All City Plumbing, Air & Electrical emphasizes quality workmanship and customer satisfaction.

5.0
284 Reviews
Pristine Air Conditioning, Heating & Plumbing

Pristine Air Conditioning, Heating & Plumbing

555 Anton Blvd suit 150, Costa Mesa, CA 92626

Pristine Air Conditioning, Heating & Plumbing provides a full range of HVAC services in Long Beach, CA. They handle installation, repair, and maintenance for air conditioners, furnaces, heat pumps, and boilers, along with indoor air quality solutions. With over 30 years of experience, the company emphasizes energy-efficient and environmentally responsible options. Their skilled technicians use modern tools and techniques to deliver precise service. Pristine also offers financing options and serves the broader Orange County area.

5.0
277 Reviews
Orange Coast Plumbing

Orange Coast Plumbing

22427 Funston Ave, Hawaiian Gardens, CA 90716

Orange Coast Plumbing is a family-owned plumbing and HVAC company serving Long Beach, CA. They offer a wide range of services including air conditioning, furnace, heat pump, and boiler repair and installation. The company is known for its certified technicians and uses environmentally safe products. Established in 1977, Orange Coast Plumbing has decades of experience and provides 24/7 emergency service to address urgent needs at any time.

5.0
255 Reviews
Biard & Crockett Plumbing, Heating, and Air Conditioning

Biard & Crockett Plumbing, Heating, and Air Conditioning

320 E Katella Ave Suite P, Orange, CA 92867

Biard & Crockett Plumbing, Heating, and Air Conditioning has been serving Anaheim, CA, and the broader Orange County area since 1960. They provide a range of services including repair and installation of air conditioning, furnaces, heat pumps, boilers, and HVAC systems. With over 60 years of experience, they focus on plumbing, heating, and cooling solutions for residential customers.

4.9
1.7k Reviews
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Understanding Boiler Systems for Your Home

A boiler is the heart of a hydronic heating system, which uses hot water to warm your home. Unlike a furnace that heats air, a boiler heats water that is then circulated through a network of pipes to radiators, baseboard heaters, or even in-floor tubing. This method provides a consistent, comfortable warmth that many homeowners prefer. In Long Beach, the most common fuel source is natural gas, though electric and oil-fired options exist.

The two primary categories are standard efficiency and high-efficiency condensing models. A standard boiler typically has an Annual Fuel Utilization Efficiency (AFUE) rating below 85%, meaning some heat is lost through the exhaust flue. High-efficiency condensing boilers, which are now the standard for new installations in California due to Title 24 energy codes, capture that escaping heat, achieving AFUE ratings of 90% or higher. This extra efficiency can lead to substantial savings on your gas bill over the system's lifespan.

Popular Boiler Types in Long Beach

  • Combi-Boilers (Combination Boilers): These space-saving units are an excellent choice for many Long Beach homes. A combi-boiler provides both space heating and on-demand domestic hot water from a single appliance, eliminating the need for a separate water heater. They are almost always high-efficiency condensing models and are ideal for homes with limited utility space.
  • System Boilers: These work with a separate hot water storage cylinder, making them suitable for homes with higher hot water demand, such as those with multiple bathrooms. They are also compatible with solar thermal systems.
  • Conventional Boilers: Also known as regular or heat-only boilers, these require both a cold water tank and a hot water cylinder. They are less common in new installations but may be necessary in homes with older plumbing systems.

Navigating Long Beach Permits and Codes

One of the most critical aspects of a boiler replacement or new installation in Long Beach is compliance with local and state regulations. All mechanical and plumbing work requires permits from the City of Long Beach Building & Safety Division.

Key Code Requirements:

  • California Mechanical Code (CMC): Governs the installation of the boiler itself, fuel-burning appliances, and venting systems.
  • Uniform Plumbing Code (UPC): Regulates all water piping connections, including the hydronic heating loops and domestic water connections for combi-boilers.
  • National Electrical Code (NEC): Covers all electrical wiring for the boiler's controls, pumps, and ignition system.
  • Title 24, California Energy Code: This is a crucial regulation that mandates minimum efficiency standards. It often requires the installation of high-efficiency condensing boilers and proper system zoning to reduce energy consumption.

Safety is Paramount: California law requires the installation of carbon monoxide (CO) detectors outside each sleeping area and on every level of the home. All gas line work and combustion appliance installations are subject to rigorous inspection to prevent leaks and ensure proper venting. For modern condensing boilers, this means correctly installing specialized PVC piping for exhaust.

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Cost Breakdown for Boiler Installation & Replacement

The total cost for a boiler project in Long Beach varies widely based on the equipment, labor, and complexity of your home's system. Below is a general cost framework to help you budget.

Overall Project Cost Ranges:

  • Standard Efficiency Boiler Replacement: $3,000 - $7,000 (including equipment and installation)
  • High-Efficiency Condensing Boiler Replacement: $6,000 - $10,000+ (including equipment and installation) 1 2

Detailed Cost Factors:

  • Boiler Unit: The appliance itself typically ranges from $2,000 to $5,000, with high-efficiency and combi models at the higher end.
  • Professional Labor: Installation labor generally costs between $1,500 and $2,500. This covers removal of the old unit, fitting the new boiler, connecting piping, and integrating controls.
  • Long Beach Permits: Plan for $50 to $200+ in permit fees, which are essential for a legal and safe installation 3.
  • Old System Removal: Disposing of your old boiler and any associated equipment can add $500 to $1,000.
  • System Upgrades & Extras:
    • New Gas Line: If your existing line is undersized, upgrading can cost $2,000 or more.
    • Zoning System: Adding independent temperature controls for different areas of your home (zoning) improves comfort and efficiency but adds $1,700 to $4,500.
    • New Radiators or Baseboards: Replacing old heat emitters can cost an additional $250 to $500 per unit 4 5.

Choosing the Right Contractor for the Job

Selecting a qualified professional is the most important step in ensuring a successful boiler installation. Look for a contractor who is:

  • Licensed: They must hold an active C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) or C-36 (Plumbing) license from the California Contractors State License Board (CSLB).
  • Insured & Bonded: This protects you from liability in case of accidents or incomplete work.
  • Local Experience: A contractor familiar with the Long Beach Building & Safety Division's processes and inspectors can streamline the permit and inspection timeline significantly 6 7 8.
  • Transparent with Quotes: A reputable professional will provide a detailed, written estimate that breaks down equipment, labor, permit fees, and any potential ancillary costs.

Pro Tip: Always obtain at least three detailed quotes from licensed contractors. Be wary of bids that seem unusually low, as they may cut corners on quality, omit necessary permits, or use inferior equipment. A proper installation by a knowledgeable technician is key to achieving the promised efficiency, reliability, and lifespan of your new heating system 9 10.

Frequently asked questions

Sources

Footnotes

  1. How much does a new boiler cost to install or replace? - HomeGuide - https://homeguide.com/costs/boiler-replacement-cost

  2. How Much Does Boiler Replacement Cost in 2026? Price by Type - https://modernize.com/hvac/heating-repair-installation/boiler

  3. Mechanical, Electrical and Plumbing Code Requirements - https://www.longbeach.gov/lbcd/building/inspection/mechanical-electrical-plumbing/

  4. Boiler Replacement Costs: Smart Budgeting and Planning ... - https://www.tcmemt.com/post/the-cost-of-boiler-replacement-expert-guide-to-smart-budgeting-and-installation-planning

  5. New Boiler Cost in 2026: Prices, Installation Costs & Full UK Guide - https://heatable.co.uk/new-boilers/advice/new-boiler-costs-explained

  6. Comprehensive Boiler Installation Guide - PlumbersStock - https://www.plumbersstock.com/how-to-hvac/boilers/comprehensive-installation-guide.html

  7. Boiler Installation, Repair & Service - Orange Coast Plumbing - https://orangecoastplumbing.net/heat-and-air/heating/boilers/

  8. How Much Does a New Boiler Cost? (2025 Guide) - https://www.fixr.com/costs/new-boiler-installation

  9. A Guide to Boiler Replacement Costs - https://www.hvac.com/expert-advice/boiler-replacement-costs/

  10. How Much Does It Cost to Service and Repair a Boiler? (2025) - https://homeguide.com/costs/boiler-service-cost