cast iron high efficiency boilers

The Ugly TRUTH About Cast Iron Boilers

Cast iron is basically steel with a high level of carbon impurities and carbon doesn’t translate into longer boiler life. Cast iron is a brittle material which can fracture under temperature shock. It’s well known that it is common for today’s cast iron boilers to have cracked sections, cracked burner doors, leaking gaskets, and leaking tankless coil flange.

Installing a Condensing Modulating Boiler with an Indirect

I agree that high efficiency boilers are a great way to go with an old cast iron system. A consideration is that the more you address the building shell through air sealing and insulation, the the more efficiently the boiler will operate. Your cast iron radiation was sized for a leaky, poorly insulated building.

Smith Cast Iron Boilers - smithboiler.com

Smith Cast Iron Boilers - smithboiler.com

Advanced Thermal Hydronics Boilers (ATH) - Thermal Tech

KN Series boilers are the first commercial boilers to achieve the high efficiency of condensed applications utilizing cast iron. Synonymous with durability and strength, cast iron is condition tolerant and heat retentive, which, when coupled with the energy savings of fully modulating, high-efficiency condensing boiler performance makes KN Series cast iron boilers a force to be reckoned with.

Goodbye, Old Friend: Mod-Con Boilers are Replacing Cast Iron

Goodbye, Old Friend: Mod-Con Boilers are Replacing Cast Iron Units. The lower it is, the greater the condensation will be, resulting in higher efficiency. Throttle the system flow rate to get water temperature drops of up to 30 degrees for decreased return water temps. Typically, flue gases condense at temperatures up to 135F.

The evolution of cast iron boilers

The efficiency of cast iron boilers has greatly improved over the last 40 years. Cast iron is a proven material that has stood the test of time, demonstrating its reliability. Over the years cast iron heat exchangers have of course been continuously improved and refined, pushing the boundaries of the casting process whilst still benefitting from the properties of a robust, rugged metal that does not readily corrode.

Condensing boiler - Wikipedia

Condensing boiler. They achieve high efficiency (typically greater than 90% on the higher heating value) by condensing water vapour in the exhaust gases and so recovering its latent heat of vaporisation, which would otherwise have been wasted. This condensed vapour leaves the system in liquid form, via a drain.

Schoonover Plumbing & Heating, High-Efficiency Boilers, Pros

The old cast boilers and the modern day standard efficiency boilers are a good deal simpler. This complexity occasionally vexes some contractors. However, if you use a high-quality boiler (like our Buderus GB142) and trained installation and service personnel, the complexity isn’t really a hurdle at all.

10 Best Boilers of 2020: Gas, Propane, Oil, Electric

Nov 27, 2019 · The Buderus G115WS is an Energy Star labelled oil-fired cast iron boiler with an efficiency of 87% AFUE. It is constructed of flexible GL-180M cast iron which resists thermal shock during rapid temperature change. The unit features a 3” jacket around the unit to increase efficiency and lower heat loss due to standby in winter.

Boiler Heat Exchanger: Aluminum vs Cast Iron vs Stainless Steel

Pros:  Cast iron is inexpensive and it handles temperature changes quite well. It is also very durable, and boilers manufactured with cast iron heat exchangers have some of the longest warranties. Limited lifetime and 20-year warranties are offered on top cast iron models from Peerless Boiler, Utica Boilers and other boiler makers.

HIGH EFFICIENCY CAST IRON BOILER - Amazon S3

Multiple Boilers Radiant HeatingAnd Much More HIGH EFFICIENCY CAST IRON BOILER Provides space and domestic hot water heating Durable cast iron heat exchanger design Made with Weil-McLain quality

Cast-Iron Boilers

Cast-iron sectional boilers can usually be installed in existing boiler rooms by moving the individual sections through doors or window openings. A very large boiler can be assembled in this manner without modifications to the building structure.

Water quality with high-efficiency boilers - Heating Help

Aug 01, 2016 · Sure, we still install a few atmospheric cast iron boilers on occasion, when budget, venting or condensate drainage issues dictate this choice. But eight out of ten hot water boilers we install are high-efficiency condensing boilers.

New Yorker Boiler Company | Manufacturer of Residential

New Yorker Boiler Company, manufacturer of reliable residential hydronic-heating products, offers a complete line of cast iron and steel boilers, as well as an indirect water heater. With a product line that offers both gas-fired water and steam and oil-fired water or steam boilers, New Yorker Boiler now offers a new ENERGY STAR certified, high

High Efficiency Cast Iron Gas Boilers - HVAC Libertyville IL

The cast iron heat exchanger is the heart of these boilers. It is manufactured in Zanesville, Ohio and is designed for years of reliable service. Each heat exchanger is water and pressure tested prior to assembly. The boilers themselves are built in Lancaster, PA.

Weil-McLain 382-200-602 GV90+ 5, High Efficiency Cast Iron

Weil McLain GV90+ 5, High Efficiency Cast Iron Boiler - 140,000 BTU - 91.4%. When matched with a Weil-McLain indirect-fired water heater, you will experience virtually limitless hot water for bathing, laundry, dishwashing and cooking at a lower operating cost compared to most other alternatives.

Product Family - High Efficiency Condensing Gas-Fired Boilers

KN Series by Advanced Thermal Hydronics are the only high-efficiency, cast iron boilers available for the commercial marketplace that combine the efficiency of condensing, gas-fired technology with the strength, durability and heat retention of cast iron construction.

Why Your New "High Efficiency" Hot Water Boiler Isn't Saving

Sep 18, 2016 · The old cast iron water boilers generate very hot water, and run for shorter time periods because the water heats up the house very fast. This is not the case with Mod/Con High Efficiency units.

KN Series - High Efficiency Condensing Gas-Fired Boilers

KN Series by Advanced Thermal Hydronics are the only high-efficiency, cast iron boilers available for the commercial marketplace that combine the efficiency of condensing, gas-fired technology with the strength, durability and heat retention of cast iron construction.

Condensing, Cast Iron Gas Boilers

Cast 92™ The new Cast 92™ boiler from Peerless® Boilers is a high efficiency, ENERGY STAR® approved*, cast iron condensing boiler. The gas-fired boiler can be used with either natural or LP gas and features direct spark ignition. The cast iron sections retain heat better and longer than other materials and lends to the extreme durability of the boiler.

Cast Iron Boilers - Oil & Gas | Granby Industries

Cast Iron Boilers Granby Heating Products manufactures and distributes highly efficient oil-fired and gas-fired boilers that are clean-burning and safe. Ideal for new construction, heating system upgrades, conversions or in-floor heating, our state-of-the-art boilers meet the highest performance standards and are backed by one of the best warranties in the business.

Q3 Boiler - Slantfin

Aug 02, 2017 · Efficiency: AFUE 87.0%; The Q3 boiler is a hot water boiler heating system which oil-fired cast iron boiler offers high-efficiency. Its cast-iron design is recognized by heating professionals everywhere as the longest lasting, most durable heat exchanger material. It’s an ideal choice for new construction. The Q3 is DOE 2021 compliant

Advanced Thermal Hydronics Boilers (ATH) - Thermal Tech

KN Series boilers are the first commercial boilers to achieve the high efficiency of condensed applications utilizing cast iron. Synonymous with durability and strength, cast iron is condition tolerant and heat retentive, which, when coupled with the energy savings of fully modulating, high-efficiency condensing boiler performance makes KN

Boiler Installation & Service | Buderus & Weil-McLain

Smith Cast Iron Boilers. The 8 series boiler is available in eight sizes with efficiencies up to 86 percent AFUE. The 8 Series offers commercial quality in a residential boiler. Due to the larger water content and increased surface area in the boiler, corrosion and mineral build-up is minimized while the heat transfer is maximized,

Cast-Iron Performance - mesteksa.com

crowd as the only high efficiency, cast-iron line of boilers to combine the efficiency of condensing gas-fired technology, with the strength, durability, and heat retention of cast-iron construction. Durable, rugged and long-lasting, cast-iron is the ideal material for condensing boiler systems that are built to last the long haul.

Cast iron oil boilers - Viessmann

Cast iron oil boilers Cast iron oil boilers Our cast iron boilers offer a reliable, durable and efficient commercial heating solution. The boiler's sectional, triple-pass design, combined with a high-quality heat exchanger surface ensures easy installation, economical energy consumption, high operational reliability and a long service life.

Boiler Installation & Service | Buderus & Weil-McLain

Buderus. Buderus products are widely acknowledged as the world standard in high-efficiency, low-emission hydronic heating. A cast-iron Buderus boiler equipped with the Buderus Logamatic Control brings your home into the 21st century, with the option of weather-responsive heating that reduces fuel use at the same time that it greatly improves your level of comfort.

Boilers - Slife Heating & Cooling, Inc.

High-efficiency, gas-fired water boiler The GWB9-IH boiler offers an AFUE rating of 90%, which means it converts a full 90% of your fuel into usable heat. And it delivers warmth quickly with a cast-aluminum heat exchanger that transfers heat three times faster than conventional cast iron.

Condensing vs traditional cast iron boiler? — Heating Help

Condensing boiler lifespan: 12-15 years High efficiency Cast iron lifespan: 25 years I have used the AFUE rating to determine my cost savings between the two units. Now I see that may not be the best method to use, but it should be fairly close. If it's not using 10% less fuel, would it be closer to 20% less?

10 Things to Know About Boilers | Boiler Expert Minneapolis

  In contrast, a high-efficiency boiler pulls air from outdoors to achieve combustion and does not affect the indoor air. Now, one more tip about cast iron boilers, which are designed to use indoor air for combustion. You can improve air quality while using this type of boiler by making sure there is adequate air for the cast iron boiler.

Weil-McLain GV90+ condensing cast iron boiler - Mechanical

Aug 23, 2016 · Weil-McLain ® offers the GV90+ ® high efficiency cast iron boiler for energy efficient, comfort heating in residential applications. The GV90+ features streamlined controls with simple setup, low maintenance and durable design for the long run.

Smith Cast Iron Boilers | SVL

Smith Cast Iron Boilers has taken the field-proven design of 28A series commercial boilers to even higher levels of performance and efficiency with 28HE series, high-efficiency boilers. Available in fifteen sizes ranging from 931 to 4,622 MBH, Smith 28HE series steam boilers are designed to provide the highest combustion and thermal efficiencies possible with forced draft firing.

Force Cast Iron Boilers at PROSELECT

High Efficiency Cast Iron Oil-Fired Boilers Force Cast Iron Boilers Manufactured by U.S Boilers and offered exclusively by Ferguson, Force Boilers has a family of high efficiency boilers ranging in various sizes and with more options than any other manufacturer in the hydronic industry.

Weil-McLain 382-200-602 GV90+ 5, High Efficiency Cast Iron

Weil McLain GV90+ 5, High Efficiency Cast Iron Boiler - 140,000 BTU - 91.4%. The heaters provide twice the peak flow of a tankless coil, 50% more than a comparable sized direct-fired gas water heater and 3 times as much as an electric unit. With boiler sections made from recycled metals and lower emmission levels than most boilders, the GV90+ is one of the greenest cast irons boilers around.

Is a high efficiency boiler worth it? — Heating Help: The Wall

That cast iron boiler will continue to fire little short cycles exacerbating that issue . Most of the year ( Oct - mid Dec , mid Mar - mid May) the mod con will be able to use 120* water or even lower while the cast iron boiler is not capable of that . Those are the times that the efficiency pie really gets messy .

Boilers | Gas and Oil Fired Boilers from Lennox Residential

With efficiency ratings of up to 95% AFUE, Lennox boilers can help you save hundreds of dollars each year in utility bills, compared to older and standard- efficiency boilers. Designed for easy installation, and available in many different sizes and fuel options, all Lennox boilers are built with high-quality components for long-lasting operation.

Cast Iron Boilers | U.S. Boiler Company

Cast Iron Oil Water Boiler. MPO-IQ™ – Our award-winning 3-pass high efficiency cast iron oil-fired water boiler can save homeowners up to 49% in energy costs. It’s an optimal replacement boiler for homes with existing chimneys. The MPO-IQ™ has the highest average efficiency in its class with a rating as high as 87% AFUE.

Cast iron boiler vs. high efficiency stainless steel | This

#1. Cast iron boiler vs. high efficiency stainless steel. We want to replace our 38 year old gas-fired boiler. We live in the Boston area in a single-family split-level home built in 1974. Our existing boiler has an input of 210,000 Btu/hr and an output of 168,000 Btu/hr, which makes it 80% efficient.

IYO: Who Makes The Best Cast Iron Gas Boilers - HVAC

Actually, cast iron rads are ideal for mod/con boilers with outdoor reset. In the milder times of the year, the boiler doesn't need to make the water very hot. So the mod/con is very efficient. Where as a standard efficiency cast iron boiler needs to have a high return water temp, or it has a short life span.

Best High Efficiency Boiler | U.S. Boiler Company

Achieving an 85% AFUE, the ES2™ has one of the most advanced cast iron heat exchangers in the industry, and an optional energy saving control package that can help you save up to 15-20% on fuel consumption. If you’re looking for a high efficiency cast iron oil-fired boiler, the Burnham MPO-IQ™ has the highest efficiency in its class.