How Much Does Garage Heater Installation Cost in 2025?

This article was created using automation technology and thoroughly fact-checked and edited by HomeAdvisor Editor Ryan Noonan.

Transform your cold garage into a comfortable workspace with a quality heating system. Installing a garage heater costs homeowners between $1,500 and $4,000, with a national average of $2,075. The price spectrum is broad, starting from basic electric models at $150 and extending to comprehensive gas systems that may reach $6,000 when professionally installed. Cost factors include heater type, materials, labor, and how often you use your garage heater.

Garage Heater Installation Cost Factors

The heating unit itself represents the largest portion of your investment. Labor expenses vary significantly between simple electric installations and more complex gas systems. Professional installation ensures proper setup, especially for units requiring ventilation or gas connections.

Type of Garage Heater

Your garage heater type plays an important role in your total installation cost.

Electric ($150–$1,000): These user-friendly units offer quick installation and minimal maintenance. They work well for smaller spaces but may prove less economical for heating larger areas continuously.

Propane ($400–$2,000): Propane systems deliver substantial heating capacity without requiring existing gas infrastructure. These units need proper ventilation and regular fuel monitoring to maintain safe operation.

Natural Gas ($400–$2,000): When connected to existing gas lines, these systems provide efficient heating for larger garages. The installation process is more involved due to safety requirements, but operating costs remain lower over time.

Infrared ($400–$800): These specialized heaters provide focused warmth by heating objects directly rather than the air. They can save 30% to 40% more energy than standard electric heaters, making them particularly effective in drafty or poorly insulated spaces.

Size

The dimensions of your garage directly affect the heating requirements and associated costs. Standard two-car garages need 45,000 BTUs of heating power, while larger three-car garages require approximately 60,000 BTUs.

Key considerations:

• Insulation quality affects heating efficiency and unit selection.

• Climate zone determines the heating capacity needed for comfort.

Frequency

How often you use your garage influences the type of heater that makes sense for your situation. For occasional weekend projects, a simple portable electric unit might suffice. Workshop enthusiasts spending daily hours in the garage should consider more substantial heating systems. Operating expenses range from $0.08 to $0.80 per hour, depending on the unit's capacity and fuel type.

Materials

Installing a garage heater involves various components beyond just the heating unit itself. You might need thermostats, mounting hardware, venting systems for gas heaters, or electrical connections. The total materials cost falls between $150 and $2,000, depending on the fuel type and BTU requirements.

Labor

Professional installation is crucial, particularly for systems using combustible fuels:

• Electric or infrared heater installation labor costs $100 per hour.

• Gas or propane heater installation labor rates run at $600 per hour.

• Additional costs of $500 to $800 apply for gas line installation when necessary.

Proper installation ensures safety compliance and optimal performance. Complex installations involving electrical upgrades or extensive venting will increase the overall labor expense.

Garage Heater Add-Ons

Many homeowners enhance their garage heating systems with supplementary components. Popular additions include programmable thermostats, improved insulation, and automatic safety features. These additions improve comfort, efficiency, and safety but will increase your overall project budget.

Ongoing Project Costs

After installing your garage heater, consider these ongoing costs.

Maintenance

Regular maintenance keeps your garage heater functioning efficiently and safely. Gas systems benefit from annual inspections to ensure proper combustion and ventilation. Electric models require less maintenance but should still be checked periodically for optimal performance.

Operating Costs

Your actual operating expenses will depend on local utility rates, usage patterns, and the efficiency of your chosen heating system. Natural gas offers lower per-hour operating costs compared to electric options, though initial setup costs are higher. On average, operating expenses cost between $0.08 and $0.80 per hour

Repairs

Like any mechanical system, garage heaters may occasionally require repairs. Common issues include thermostat malfunctions, ignition problems, or fan failures. Regular maintenance can help prevent many common repair scenarios.

Insurance

Some home insurance policies have specific requirements regarding garage heating systems. It's advisable to check with your insurance provider about any policy implications before installing a permanent heating system, especially those using combustible fuels.

What Garage Heater Can I Get on My Budget?

Here’s a closer look at the garage heating systems that are available at various price points.

• $100–$200: This entry-level range primarily features compact electric heaters suitable for small garages or occasional heating needs. These units offer basic functionality without advanced features.

• $200–$300: Mid-range electric heaters capable of warming standard two-car garages fall into this category. These models may include additional features like adjustable thermostats, but might not suffice for extremely cold climates.

• $300–$400: This price point offers higher-capacity electric models and some basic propane options. Units in this range provide better heating performance but may have higher operating expenses with regular use.

• $400+: Premium heating solutions including most propane, natural gas, and infrared systems start in this range. For consistent, efficient heating of larger spaces, expect to invest at this level for both the unit and professional installation.

Budgeting for Your Garage Heater

Keep these cost-saving tips in mind when planning your garage heater installation project:

• Improve insulation first to minimize heat loss and potentially reduce the size of heater needed.

• Compare multiple quotes from qualified local HVAC professionals to ensure competitive pricing.

• Consider seasonal timing as some contractors offer better rates during slower periods.

• Choose the right size heater to avoid wasting money on excess capacity or insufficient heating.

• Look for energy-efficient models that may provide long-term savings despite higher initial costs.

• Explore rebate programs that might offset some of your investment.

• Consider a portable heater for occasional use rather than installing a permanent system.

Safety should always take priority over cost-cutting when it comes to heating system installation, particularly with gas-powered units.

How HomeAdvisor Gets Its Cost Data

No place is more important than your home, which is why HomeAdvisor connects homeowners with local pros to transform their houses into homes they love. To help homeowners prepare for their next project, HomeAdvisor provides readers with accurate cost data and follows strict editorial guidelines. After a project is complete, we survey real customers about the costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.