Korean Tech Showdown • Updated March 2026

LG vs Samsung Heat Pumps

Korea's tech giants go head-to-head. We install both - here's our honest comparison of LG Therma V vs Samsung EHS.

Our Verdict

Choose Samsung EHS if you want cutting-edge AI technology, maximum efficiency (SCOP 5.0), and seamless SmartThings integration. Choose LG Therma V if you prioritize value for money, eco-friendly R32 refrigerant, and a longer 10-year compressor warranty.

Both are excellent Korean brands with advanced features. LG offers better value, Samsung offers premium tech. Your budget and smart home setup will guide the choice.

Head-to-Head Comparison

LG Therma V

Eco-Friendly Value Leader

Efficiency (SCOP)

Up to 4.65

R32 Monobloc - Excellent

Noise Level

35 dB(A)

Ultra-quiet operation

Refrigerant

R32

75% lower GWP - eco-friendly

Price Range (Installed)

£8k - £13k

After £7.5k grant: £0.5k-£5.5k

Warranty

5 yrs + 10 yr comp

Best compressor coverage

Key Strengths

  • Best value for money
  • R32 eco-refrigerant
  • 10-year compressor warranty
  • Ultra-quiet 35dB
  • LG ThinQ smart app
  • Compact footprint

Considerations

  • Slightly lower SCOP than Samsung
  • Less advanced AI features

Samsung EHS

AI-Powered Premium

Efficiency (SCOP)

Up to 5.0

EHS Split - Market leading

Noise Level

38 dB(A)

Very quiet operation

AI Technology

AI Auto

Learns & optimizes automatically

Price Range (Installed)

£10k - £15k

After £7.5k grant: £2.5k-£7.5k

Warranty

5 yrs + 7 yr comp

Comprehensive coverage

Key Strengths

  • AI Auto Comfort learning
  • Highest SCOP rating (5.0)
  • SmartThings integration
  • Premium aesthetics
  • 7" color display
  • Advanced weather comp

Considerations

  • Higher price point
  • Slightly louder than LG

Feature-by-Feature Breakdown

FeatureLG Therma VSamsung EHS
Max SCOP Rating4.655.0 ⭐
Noise Level35 dB ⭐38 dB
RefrigerantR32 ⭐R32
AI LearningBasicAI Auto Comfort ⭐
Price Point£8-13k ⭐£10-15k
Smart ControlLG ThinQSmartThings ⭐
Compressor Warranty10 years ⭐7 years
Installation EaseExcellentExcellent
Value for MoneyOutstanding ⭐Good
Premium FeaturesGoodOutstanding ⭐

⭐ = Winner in this category

Which Should You Choose?

Choose LG If:

  • Value for money is your priority (best cost-performance ratio)
  • You want the longest compressor warranty (10 years)
  • Environmental impact matters (R32 refrigerant)
  • You want the quietest operation possible (35dB)
  • You don't need advanced AI features
  • Budget is £8,000-£13,000 (before grant)

Choose Samsung If:

  • You want cutting-edge AI Auto Comfort technology
  • Maximum efficiency is critical (SCOP 5.0)
  • You already use Samsung SmartThings ecosystem
  • Premium aesthetics and design matter to you
  • You want the most advanced features available
  • Budget allows for premium positioning (£10k-£15k before grant)

Either Brand Works Great For:

  • Modern new build properties
  • Well-insulated homes
  • Tech-savvy homeowners
  • Properties with underfloor heating
  • Smart home enthusiasts
  • Eco-conscious installations

Frequently Asked Questions

Is LG or Samsung better for heat pumps?

Both are excellent Korean brands. Samsung EHS achieves slightly higher SCOP ratings (up to 5.0 vs LG's 4.65) and offers AI Auto Comfort technology. LG counters with R32 eco-refrigerant and exceptional value for money. Samsung is premium positioning, LG is value-focused premium.

Which is quieter: LG or Samsung heat pumps?

Samsung EHS Mono operates at 38dB, while LG Therma V runs at 35dB. This makes LG marginally quieter - about 3 decibels difference, which is barely noticeable. Both are whisper-quiet and suitable for residential areas.

What's the price difference between LG and Samsung?

LG systems typically cost £8,000-£13,000 installed, while Samsung ranges £10,000-£15,000. After up to £9,000 BUS grant, LG costs £500-£5,500 and Samsung £2,500-£7,500. LG offers better value, Samsung justifies premium with AI features and higher efficiency.

Which has better smart home integration?

Samsung wins for smart home integration with SmartThings ecosystem compatibility. If you already use Samsung SmartThings, the EHS integrates seamlessly. LG ThinQ is excellent but has a smaller ecosystem. For standalone use, both apps are intuitive and feature-rich.

Which brand offers better warranty?

LG offers 5 years parts with 10-year compressor warranty. Samsung provides 5 years parts and labour with 7-year compressor coverage. LG's longer compressor warranty (the most expensive component) gives it an edge for long-term peace of mind.

Need Help Choosing Between LG and Samsung?

We install both brands and can recommend the perfect system for your budget, property, and lifestyle.