How to Select an Energy-Efficient Furnace or Boiler

Let’s clear up a common confusion: the difference between boilers and furnaces. If your home has ductwork or air vents, you have a furnace. Furnaces heat air and distribute it throughout your home via this ductwork, making them part of what's known as a forced air system. If your home is warmed through radiators—be they baseboard heaters or full-sized units—you have a boiler. Boilers heat water and send it through your home as either hot water or steam, which then radiates heat.

Understanding the Importance of Efficiency

Heating your home accounts for a significant portion of your household expenses, so investing in an energy-efficient system can lead to substantial savings over time. While efficiency is key, it's also important to choose the right system for your home's existing setup. A furnace or a boiler that aligns with your current infrastructure ensures even heating, maintains a consistent temperature, and improves comfort levels.

Heating System Efficiency Ratings

Boilers and furnaces come with efficiency ratings that indicate how effectively they convert fuel into heat. These ratings are expressed as Annual Fuel Utilization Efficiency (AFUE) for furnaces and Seasonal Efficiency (SE) for boilers. The higher the AFUE or SE rating, the more efficient the system. Aim for a system with a rating of at least 90% or higher to maximize energy savings and reduce energy waste.

Cost vs. Savings

Although energy-efficient boilers and furnaces may come with a more substantial initial investment, you should account for the potential long-term savings they offer. You can assess the payback period by contrasting the upfront cost with the anticipated energy savings over the system's lifespan. Often, the greater initial expense can be balanced out by reduced monthly utility expenses.

Rebates and Incentives

Government and utility company incentives can make energy-efficient heating systems more affordable. Check for available rebates, tax credits, or financing options that can help offset the initial investment and make it easier to choose a more efficient furnace or boiler.

Professional Installation

Proper installation is key to achieving maximum efficiency from your heating system. Hire a licensed and experienced HVAC company to install your furnace or boiler. A professional will ensure that the system is installed correctly and provide repair services when you need them, minimizing energy waste and potential safety risks.

Energy-Efficient Accessories

To further enhance the efficiency of your heating system, consider investing in energy-efficient accessories like smart thermostats, programmable timers, and zoning controls. These add-ons can help fine-tune your heating system to match your specific needs, reducing energy consumption.