What You need to Know Before Buying a Gas Water Heater: comprehensive guide
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A Comprehensive Guide: What You need to Know Before Buying a Gas Water Heater

December 11, 2023 Author: Bekhruz Nagzibekov


Investing in a gas water heater is a crucial decision for homeowners, impacting both comfort and utility bills. With numerous options available in the market, it’s essential to make an informed decision. United Plumbing shares valuable insights. Let’s delve into the key points to ensure you’re well-prepared before making this significant purchase.

Proper Sizing Matters:

We emphasize the importance of choosing the right-sized gas water heater for your home. Factors like the number of occupants, peak hot water demand, and the heater’s recovery rate should be considered. A heater that’s too small may leave you with insufficient hot water, while an oversized one can lead to unnecessary energy expenses. Residential buildings typically install water heaters up to 75 gallons.

Proper Sizing Matters

Efficiency and Energy Savings:

Efficiency is a critical aspect of any gas water heater. We discussed the significance of understanding the Energy Factor (EF) and choosing a model with higher efficiency ratings. This not only helps in reducing your carbon footprint but also translates to long-term cost savings on your energy bills.

Ultra low An Ultra Low NOx gas water heater is one that emits a lower level of nitrogen oxide than a standard gas water heater. Some states and municipalities have requirements and standards to limit the maximum amount of NOx emissions for gas water heaters – particularly certain counties in California and in the state of Utah.

California and Utah residents (Utah effective 7/1/18): this water heater does not meet ultra-low NOx (ULN) emissions requirements; regulations prohibit the sale, shipment or installation of this water heater in any air quality district that requires ULN water heaters; please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters and if so please select an approved ULN model

Venting Options:

Venting is often overlooked but is a crucial consideration for gas water heaters. Our points out the various venting options available, such as atmospheric venting, direct venting, and power venting. The right choice depends on your home’s layout, local building codes, and installation cost considerations.

Venting Options

Tank or Tankless:

Tankless water heaters have gained popularity for their on-demand hot water delivery and energy efficiency. We discussed the pros and cons of tankless heaters compared to traditional tank-style models. Understanding your hot water usage patterns and preferences will help you decide which type is more suitable for your household.

Tank or Tankless

Quality and Brand Reputation:

United Plumbing emphasizes the importance of choosing a reputable brand known for manufacturing reliable and durable gas water heaters. Investing in a quality product might involve a higher upfront cost but can pay off in terms of longevity and reduced maintenance expenses in the long run. for example, we are official dealers of brands such as Rheem, Rood


United Plumbing provides a wealth of information for anyone considering the purchase of a gas water heater. By carefully considering factors such as sizing, efficiency, venting options, tank or tankless models, brand reputation, and proper installation, homeowners can make a well-informed decision that aligns with their specific needs and budget. Remember, investing time in research and understanding your requirements is crucial for a long-lasting and efficient gas water heating system in your home.

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