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The Top 5 Quincy High-Efficiency Boiler – 2021 Edition

The Top 5 Quincy High-Efficiency Boiler – 2021 Edition

The best boilers you can find are efficient , reliable, and quiet. A new gas-powered boiler should be able to operate for 10-15 years and save you considerably over a traditional boiler. Here’s a detailed review of the top 5 high-efficiency boilers for 2021.

1. Lennox GWM-IE Boiler

Earning the most efficient Energy Star 2015 mark , the Lennox GWM-IE is a gas-mounted condensing water boiler with an efficiency rating of up to 95 percent AFUE. Unique revolutionary features found in the GWM-IE model include a cost-effective electronic ignition switch that controls temperature and prevents unnecessary burner usage, as well as a combustion tube designed to enhance sound reduction. The heat exchanger tube is self-cleaning, and the mesh burner is corrosion resistant.

Lennox GWM-IE Boiler

The Lennox GWM-IE is a gas modulating condensing boiler which is up to 40 percent more powerful than traditional boilers supported by the manufacturer reports. Its modulating burner is configured most of the time to work in a low environment, minimizing sound levels and fuel costs while maintaining an accurate temperature.

Pros: – Many have praised its efficiency in the winter

  • Many reviewers have praised the significant fall in the price of monthly energy bills
  • Many have praised the modulator which runs automatically

Cons: – Expensive purchase price

  • One reviewer complained that the unit needed frequent maintenance, and had trouble with the ignition.

The Lennox GWM-IE has a 15-year warranty on the heat exchanger and a 10-year warranty on the remaining covered parts (the labor costs are not covered by the warranty)

2. Slant-Fin Sentry High-Efficiency Boiler

The Slant/Fin Sentry boiler is an 84.4 percent AFUE gas hot water boiler. The Sentry comes with several noteworthy features such as a heat-conserving pre-purge device, an LED display that tracks system water temperature, and also allows the user to regulate the temperature and a specially built insulated jacket to avoid heat loss and minimize operating noise.

Slant-Fin’s Sentry is a 5 size gas-fired cast iron boiler. It features front-mounted controls for simple installation and maintenance, and an advanced natural draft design ensures efficient operation and reliability. The lower profile nature of the Sentry makes installation simple on sites with limited room or low chimney connections.

Pros: – Many owners have stated that the purchase cost of the boiler is fair for the market

  • Many reviewers have stated that the boiler is quiet
  • Several owners praised the long lifespan of the boiler in comparison to other boilers on the market

Cons: – One person complained that the boiler was bulky and took up too much space.

  • One person complained that the boiler took a bit longer than usual to heat the house.

The Slant/Fin Sentry Boiler comes with a 1-year parts warranty and a lifetime cast iron warranty, prorated after the 10th year.

3. Bosch Greenstar High-Efficiency Boiler

The Bosch Greenstar gas boiler uses a combustion process that achieves an efficiency of up to 95 percent and decreases emissions of nitrous oxide. It is available as a heat-only or combination boiler, and can be built as a wall-mounted or floor-standing unit.

Energy Star performance score and the Greenstar gas boiler provide a wall-hung model with a 96.1 percent AFUE which can be used either as a space heating boiler or as a combi unit. The Greenstar includes features like an Al-Si heat exchanger and an efficiency-enhancing fully modulating fan. The machine comes with an LP and a conversion kit to natural gas.

Pros: – Many owners praised the energy bills dropping in costs

  • Many owners mentioned how fast the boiler heats the house
  • Several reviewers praised the efficiency of the boiler

Cons: – One owner stated that the only problem is that after 10 years the fans need to be replaced

Greenstar provides a lifetime warranty for heat exchangers, prorated after the 10th year, and a 5 year warranty for parts and labor.

4. Slant-Fin Galaxy GXHA High-Efficiency Boiler

The Slant/Fin Galaxy GXHA is a gas-fired high-performance steam boiler with an efficiency rating of 81.3 percent AFUE. The boiler features an intermittent pilot ignition, an optional tankless heater, and a display for machine function monitoring. The device also offers a specially designed speed skimmer trough that discharges pollutants and dirt through a drain faucet to reduce periodic cleaning time.

Slant-Fin Galaxy GXHA High-Efficiency Boiler

The Slant/Fin GXHA is a high-performance gas-fired steam boiler with an intermittent pilot ignition and an optional tankless heater. It is designed with little headroom for installation in close locations.

Pros: – One person noted that their energy bills dropped significantly

  • Several owners praised the speed at which the water was heated in winter

Cons: – Several owners said buying costs were high compared to other brands on the market

  • One reviewer mentioned a problem with turning on and off that required repair after only a few months.

The Galaxy GXHA comes with a 10-year guarantee on cast iron selection and 1-year parts warranty.

5. Triangle Tube Challenger Solo

The Challenger Solo Triangle Tube is an energy-efficient condensing boiler with an AFUE of up to 94%. The boiler is available in four versions, from 85 MBH to 145 MBH. The Solo has a remote control panel available for both U.S. and measurements of metric units, and advanced control of temperature modulation. The device has a regular outdoor reset and indirect compatibility with water.

Challenger Solo from Triangle Tube is a wall-mounted gas boiler with a heat exchanger for copper tube/aluminum cylinder. It can be vented with different pipe material and size choices, including a concentrated venting option, and is compatible with indirect water heaters.

Pros: – Several people mentioned a significant energy bill cost savings.

  • Several people praised the boiler’s quiet operation.

Cons: – One person complained that the unit broke after only 3 years of use.

The Challenger Solo comes with a 1-year parts warranty and a 10-year, restricted non-prorated warranty for heat exchangers. It also provides 5 and 10-year parts and labor warranty plans. Registration of a product is required for a complete warranty cover.

Quincy High-Efficiency Boiler Pricing

Pricing for boilers can vary according to scale, design, brand, and quality. The majority of boilers on today’s market are high quality, rated above 87% AFUE for oil-fired boilers, and 90% AFUE for gas-fired boilers. Boilers also have minimum ratings on efficiency. Gas-fired boilers must exceed 82% and oil boilers must exceed 84%. Standard performance boilers are still available in this range, and the ratings will be expressed in price.

  • Standard efficiency (80% – 89% AFUE) — $2,000 to $4,000
  • High efficiency boilers (+90% AFUE) — $3,300 to $6,000

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