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Quiet, efficient room-by-room comfort with straightforward installation and smart-control options.
TTW vs. Electric Baseboard: The Cheapest Way to Heat Your Apartment or Addition
OLMO HVAC SOLUTIONS
Efficiency Report
Baseboard Heaters vs. Through-the-Wall Units
Is your heating system acting like a giant toaster?
When it comes to heating a small apartment or a new home addition, many homeowners and landlords instinctively reach for electric baseboard heaters because they are undeniably the cheapest option to install. However, the initial savings at the hardware store often lead to a "sticker shock" when the first winter utility bill arrives. While they are easy to set up, electric baseboard heating is notoriously expensive to run, frequently compared to the energy equivalent of leaving a giant toaster on all day.
The fundamental issue lies in the physics of how these systems work. Electric baseboards operate on a strict 1:1 energy conversion ratio. This means that for every single watt of electricity you pay for, you receive exactly one watt of heat in return. In a world of rising energy costs, this 100% efficiency is actually quite low when compared to modern technology. The smarter solution for long-term savings is a modern through the wall ac unit (TTW) equipped with heat pump technology, such as the OLMO Sierra or Alpic series, which moves heat rather than creating it. These systems are designed to be up to 3x more efficient than traditional electric resistance heating.
What is a Through-the-Wall (TTW) AC & Heat Unit?
Unlike standard window units that can be drafty or temporary, through the wall ac units are permanently installed through a dedicated exterior wall sleeve. This permanent installation provides a much tighter seal against the elements, which is critical for maintaining indoor temperatures during harsh winters or humid summers. These units are not just for cooling; modern models provide year-round utility by offering high-efficiency cooling in the summer and powerful, cost-effective heating in the winter.
A prime example of this versatility is the OLMO Smart Window & Through-Wall AC with Heat. One of the primary OLMO advantages is that our units feature high EER and CEER ratings that consistently exceed standard efficiency requirements. This ensures that whether you are using the unit to beat a July heatwave or to stay warm in January, you are saving money in every season.
The Direct Comparison: Efficiency & Operating Costs
To truly understand why the switch is necessary, you have to look at the "1:1 Trap" of baseboard heaters. While they are "100% efficient" at converting electricity to heat, they hit a hard ceiling because they cannot create more energy than they consume. In contrast, OLMO through the wall ac units utilize a refrigerant cycle to "carry" free heat from the outside air and move it into your home. This allows the units to achieve efficiencies of 300% or more, essentially giving you three units of heat for every one unit of electricity purchased.
The Financial Impact: By moving heat rather than generating it through a glowing coil, switching to a heat-pump-equipped TTW unit can reduce winter heating bills by 50% or more compared to traditional baseboards. Over several seasons, these monthly savings easily offset the slightly higher initial cost of the unit.
Installation & Aesthetics: Reclaiming Your Floor Space
Beyond the financial benefits, there are practical lifestyle advantages to choosing a wall-mounted system. Baseboard heaters take up valuable floor space and effectively dictate where you can place your furniture, which can be a major headache in small apartments or compact additions. A through-the-wall unit stays out of the way, allowing for complete design freedom in your living space. Furthermore, because these units are installed higher up the wall, they are safely out of reach of children and pets, eliminating the burn risks associated with hot baseboard elements.
Integrating these units into a new renovation or addition is simpler than most realize. By using high-quality accessories like the Armbridge wall bracket and the Armbridge pre-flared installation kit, you can ensure a professional and secure fit. Whether you are installing a high-capacity OLMO Wall Mount R410A 18,000 BTU unit for a large room or a more compact OLMO Wall Mount R410A 12,000 BTU model, the right hardware makes the process seamless.
Key Features to Look For in a TTW Unit
When selecting your unit, it is important to consider the technology under the hood. OLMO units utilize advanced Inverter Technology featuring Toshiba-GMCC compressors. This allows the unit to vary its speed to maintain a quiet and consistent temperature, rather than constantly cycling on and off like a noisy, older AC. Modern users also benefit from Smart Tech features like OLMO’s Smart Connect, which allows for remote temperature management via your smartphone—a feature you'll never find on a standard baseboard heater.
Finally, pay attention to your voltage options. Depending on the size of your addition and your existing electrical setup, you can choose between 115V models for standard outlets and smaller rooms, or 230V models for larger areas that require more heating and cooling power. Selecting the right power level ensures your unit operates at peak efficiency without straining your home's electrical system.
Conclusion: Making the Smart Choice for Your Budget
The verdict is clear for any budget-conscious property owner: while electric baseboards might be cheaper on day one, an OLMO TTW unit pays for itself through massive energy savings and superior year-round comfort. Stop throwing money away on inefficient "toaster" heating and start investing in a system that works for you.
Ready to slash your heating bill?